18789480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 66830400

約数和(自身を除く): 48040920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 57, 60, 67, 72, 76, 82, 90, 95, 114, 120, 123, 134, 152, 164, 171, 180, 190, 201, 205, 228, 246, 268, 285, 328, 335, 342, 360, 369, 380, 402, 410, 456, 492, 536, 570, 603, 615, 670, 684, 738, 760, 779, 804, 820, 855, 984, 1005, 1140, 1206, 1230, 1273, 1340, 1368, 1476, 1558, 1608, 1640, 1710, 1845, 2010, 2280, 2337, 2412, 2460, 2546, 2680, 2747, 2952, 3015, 3116, 3420, 3690, 3819, 3895, 4020, 4674, 4824, 4920, 5092, 5494, 6030, 6232, 6365, 6840, 7011, 7380, 7638, 7790, 8040, 8241, 9348, 10184, 10988, 11457, 11685, 12060, 12730, 13735, 14022, 14760, 15276, 15580, 16482, 18696, 19095, 21976, 22914, 23370, 24120, 24723, 25460, 27470, 28044, 30552, 31160, 32964, 35055, 38190, 41205, 45828, 46740, 49446, 50920, 52193, 54940, 56088, 57285, 65928, 70110, 76380, 82410, 91656, 93480, 98892, 104386, 109880, 114570, 123615, 140220, 152760, 156579, 164820, 197784, 208772, 229140, 247230, 260965, 280440, 313158, 329640, 417544, 458280, 469737, 494460, 521930, 626316, 782895, 939474, 988920, 1043860, 1252632, 1565790, 1878948, 2087720, 2348685, 3131580, 3757896, 4697370, 6263160, 9394740, 18789480]

約数ペア:

[(1, 18789480), (2, 9394740), (3, 6263160), (4, 4697370), (5, 3757896), (6, 3131580), (8, 2348685), (9, 2087720), (10, 1878948), (12, 1565790), (15, 1252632), (18, 1043860), (19, 988920), (20, 939474), (24, 782895), (30, 626316), (36, 521930), (38, 494460), (40, 469737), (41, 458280), (45, 417544), (57, 329640), (60, 313158), (67, 280440), (72, 260965), (76, 247230), (82, 229140), (90, 208772), (95, 197784), (114, 164820), (120, 156579), (123, 152760), (134, 140220), (152, 123615), (164, 114570), (171, 109880), (180, 104386), (190, 98892), (201, 93480), (205, 91656), (228, 82410), (246, 76380), (268, 70110), (285, 65928), (328, 57285), (335, 56088), (342, 54940), (360, 52193), (369, 50920), (380, 49446), (402, 46740), (410, 45828), (456, 41205), (492, 38190), (536, 35055), (570, 32964), (603, 31160), (615, 30552), (670, 28044), (684, 27470), (738, 25460), (760, 24723), (779, 24120), (804, 23370), (820, 22914), (855, 21976), (984, 19095), (1005, 18696), (1140, 16482), (1206, 15580), (1230, 15276), (1273, 14760), (1340, 14022), (1368, 13735), (1476, 12730), (1558, 12060), (1608, 11685), (1640, 11457), (1710, 10988), (1845, 10184), (2010, 9348), (2280, 8241), (2337, 8040), (2412, 7790), (2460, 7638), (2546, 7380), (2680, 7011), (2747, 6840), (2952, 6365), (3015, 6232), (3116, 6030), (3420, 5494), (3690, 5092), (3819, 4920), (3895, 4824), (4020, 4674)]