18942240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 65802240

約数和(自身を除く): 46860000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 67, 76, 80, 93, 95, 96, 114, 120, 124, 134, 152, 155, 160, 186, 190, 201, 228, 240, 248, 268, 285, 304, 310, 335, 372, 380, 402, 456, 465, 480, 496, 536, 570, 589, 608, 620, 670, 744, 760, 804, 912, 930, 992, 1005, 1072, 1140, 1178, 1240, 1273, 1340, 1488, 1520, 1608, 1767, 1824, 1860, 2010, 2077, 2144, 2280, 2356, 2480, 2546, 2680, 2945, 2976, 3040, 3216, 3534, 3720, 3819, 4020, 4154, 4560, 4712, 4960, 5092, 5360, 5890, 6231, 6365, 6432, 7068, 7440, 7638, 8040, 8308, 8835, 9120, 9424, 10184, 10385, 10720, 11780, 12462, 12730, 14136, 14880, 15276, 16080, 16616, 17670, 18848, 19095, 20368, 20770, 23560, 24924, 25460, 28272, 30552, 31155, 32160, 33232, 35340, 38190, 39463, 40736, 41540, 47120, 49848, 50920, 56544, 61104, 62310, 66464, 70680, 76380, 78926, 83080, 94240, 99696, 101840, 118389, 122208, 124620, 141360, 152760, 157852, 166160, 197315, 199392, 203680, 236778, 249240, 282720, 305520, 315704, 332320, 394630, 473556, 498480, 591945, 611040, 631408, 789260, 947112, 996960, 1183890, 1262816, 1578520, 1894224, 2367780, 3157040, 3788448, 4735560, 6314080, 9471120, 18942240]

約数ペア:

[(1, 18942240), (2, 9471120), (3, 6314080), (4, 4735560), (5, 3788448), (6, 3157040), (8, 2367780), (10, 1894224), (12, 1578520), (15, 1262816), (16, 1183890), (19, 996960), (20, 947112), (24, 789260), (30, 631408), (31, 611040), (32, 591945), (38, 498480), (40, 473556), (48, 394630), (57, 332320), (60, 315704), (62, 305520), (67, 282720), (76, 249240), (80, 236778), (93, 203680), (95, 199392), (96, 197315), (114, 166160), (120, 157852), (124, 152760), (134, 141360), (152, 124620), (155, 122208), (160, 118389), (186, 101840), (190, 99696), (201, 94240), (228, 83080), (240, 78926), (248, 76380), (268, 70680), (285, 66464), (304, 62310), (310, 61104), (335, 56544), (372, 50920), (380, 49848), (402, 47120), (456, 41540), (465, 40736), (480, 39463), (496, 38190), (536, 35340), (570, 33232), (589, 32160), (608, 31155), (620, 30552), (670, 28272), (744, 25460), (760, 24924), (804, 23560), (912, 20770), (930, 20368), (992, 19095), (1005, 18848), (1072, 17670), (1140, 16616), (1178, 16080), (1240, 15276), (1273, 14880), (1340, 14136), (1488, 12730), (1520, 12462), (1608, 11780), (1767, 10720), (1824, 10385), (1860, 10184), (2010, 9424), (2077, 9120), (2144, 8835), (2280, 8308), (2356, 8040), (2480, 7638), (2546, 7440), (2680, 7068), (2945, 6432), (2976, 6365), (3040, 6231), (3216, 5890), (3534, 5360), (3720, 5092), (3819, 4960), (4020, 4712), (4154, 4560)]