19544880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 160

約数和(自身を含む): 65138688

約数和(自身を除く): 45593808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 37, 40, 48, 60, 62, 71, 74, 80, 93, 111, 120, 124, 142, 148, 155, 185, 186, 213, 222, 240, 248, 284, 296, 310, 355, 370, 372, 426, 444, 465, 496, 555, 568, 592, 620, 710, 740, 744, 852, 888, 930, 1065, 1110, 1136, 1147, 1240, 1420, 1480, 1488, 1704, 1776, 1860, 2130, 2201, 2220, 2294, 2480, 2627, 2840, 2960, 3408, 3441, 3720, 4260, 4402, 4440, 4588, 5254, 5680, 5735, 6603, 6882, 7440, 7881, 8520, 8804, 8880, 9176, 10508, 11005, 11470, 13135, 13206, 13764, 15762, 17040, 17205, 17608, 18352, 21016, 22010, 22940, 26270, 26412, 27528, 31524, 33015, 34410, 35216, 39405, 42032, 44020, 45880, 52540, 52824, 55056, 63048, 66030, 68820, 78810, 81437, 88040, 91760, 105080, 105648, 126096, 132060, 137640, 157620, 162874, 176080, 210160, 244311, 264120, 275280, 315240, 325748, 407185, 488622, 528240, 630480, 651496, 814370, 977244, 1221555, 1302992, 1628740, 1954488, 2443110, 3257480, 3908976, 4886220, 6514960, 9772440, 19544880]

約数ペア:

[(1, 19544880), (2, 9772440), (3, 6514960), (4, 4886220), (5, 3908976), (6, 3257480), (8, 2443110), (10, 1954488), (12, 1628740), (15, 1302992), (16, 1221555), (20, 977244), (24, 814370), (30, 651496), (31, 630480), (37, 528240), (40, 488622), (48, 407185), (60, 325748), (62, 315240), (71, 275280), (74, 264120), (80, 244311), (93, 210160), (111, 176080), (120, 162874), (124, 157620), (142, 137640), (148, 132060), (155, 126096), (185, 105648), (186, 105080), (213, 91760), (222, 88040), (240, 81437), (248, 78810), (284, 68820), (296, 66030), (310, 63048), (355, 55056), (370, 52824), (372, 52540), (426, 45880), (444, 44020), (465, 42032), (496, 39405), (555, 35216), (568, 34410), (592, 33015), (620, 31524), (710, 27528), (740, 26412), (744, 26270), (852, 22940), (888, 22010), (930, 21016), (1065, 18352), (1110, 17608), (1136, 17205), (1147, 17040), (1240, 15762), (1420, 13764), (1480, 13206), (1488, 13135), (1704, 11470), (1776, 11005), (1860, 10508), (2130, 9176), (2201, 8880), (2220, 8804), (2294, 8520), (2480, 7881), (2627, 7440), (2840, 6882), (2960, 6603), (3408, 5735), (3441, 5680), (3720, 5254), (4260, 4588), (4402, 4440)]