18167920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26829200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 191, 205, 232, 290, 328, 382, 410, 464, 580, 656, 764, 820, 955, 1160, 1189, 1528, 1640, 1910, 2320, 2378, 3056, 3280, 3820, 4756, 5539, 5945, 7640, 7831, 9512, 11078, 11890, 15280, 15662, 19024, 22156, 23780, 27695, 31324, 39155, 44312, 47560, 55390, 62648, 78310, 88624, 95120, 110780, 125296, 156620, 221560, 227099, 313240, 443120, 454198, 626480, 908396, 1135495, 1816792, 2270990, 3633584, 4541980, 9083960, 18167920]

約数ペア:

[(1, 18167920), (2, 9083960), (4, 4541980), (5, 3633584), (8, 2270990), (10, 1816792), (16, 1135495), (20, 908396), (29, 626480), (40, 454198), (41, 443120), (58, 313240), (80, 227099), (82, 221560), (116, 156620), (145, 125296), (164, 110780), (191, 95120), (205, 88624), (232, 78310), (290, 62648), (328, 55390), (382, 47560), (410, 44312), (464, 39155), (580, 31324), (656, 27695), (764, 23780), (820, 22156), (955, 19024), (1160, 15662), (1189, 15280), (1528, 11890), (1640, 11078), (1910, 9512), (2320, 7831), (2378, 7640), (3056, 5945), (3280, 5539), (3820, 4756)]