18849240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:614

約数の個数: 128

約数和(自身を含む): 64972800

約数和(自身を除く): 46123560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 563, 620, 744, 837, 930, 1080, 1116, 1126, 1240, 1395, 1674, 1689, 1860, 2232, 2252, 2790, 2815, 3348, 3378, 3720, 4185, 4504, 5067, 5580, 5630, 6696, 6756, 8370, 8445, 10134, 11160, 11260, 13512, 15201, 16740, 16890, 17453, 20268, 22520, 25335, 30402, 33480, 33780, 34906, 40536, 50670, 52359, 60804, 67560, 69812, 76005, 87265, 101340, 104718, 121608, 139624, 152010, 157077, 174530, 202680, 209436, 261795, 304020, 314154, 349060, 418872, 471231, 523590, 608040, 628308, 698120, 785385, 942462, 1047180, 1256616, 1570770, 1884924, 2094360, 2356155, 3141540, 3769848, 4712310, 6283080, 9424620, 18849240]

約数ペア:

[(1, 18849240), (2, 9424620), (3, 6283080), (4, 4712310), (5, 3769848), (6, 3141540), (8, 2356155), (9, 2094360), (10, 1884924), (12, 1570770), (15, 1256616), (18, 1047180), (20, 942462), (24, 785385), (27, 698120), (30, 628308), (31, 608040), (36, 523590), (40, 471231), (45, 418872), (54, 349060), (60, 314154), (62, 304020), (72, 261795), (90, 209436), (93, 202680), (108, 174530), (120, 157077), (124, 152010), (135, 139624), (155, 121608), (180, 104718), (186, 101340), (216, 87265), (248, 76005), (270, 69812), (279, 67560), (310, 60804), (360, 52359), (372, 50670), (465, 40536), (540, 34906), (558, 33780), (563, 33480), (620, 30402), (744, 25335), (837, 22520), (930, 20268), (1080, 17453), (1116, 16890), (1126, 16740), (1240, 15201), (1395, 13512), (1674, 11260), (1689, 11160), (1860, 10134), (2232, 8445), (2252, 8370), (2790, 6756), (2815, 6696), (3348, 5630), (3378, 5580), (3720, 5067), (4185, 4504)]