18658690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2677}}^1$

素因数の和:2742

約数の個数: 32

約数和(自身を含む): 36442224

約数和(自身を除く): 17783534

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 2677, 3485, 5354, 6970, 13385, 26770, 45509, 91018, 109757, 219514, 227545, 455090, 548785, 1097570, 1865869, 3731738, 9329345, 18658690]

約数ペア:

[(1, 18658690), (2, 9329345), (5, 3731738), (10, 1865869), (17, 1097570), (34, 548785), (41, 455090), (82, 227545), (85, 219514), (170, 109757), (205, 91018), (410, 45509), (697, 26770), (1394, 13385), (2677, 6970), (3485, 5354)]