18259968350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{12491}}^1$

素因数の和:12702

約数の個数: 72

約数和(自身を含む): 36992634552

約数和(自身を除く): 18732666202

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 173, 325, 338, 346, 650, 845, 865, 1690, 1730, 2249, 4225, 4325, 4498, 8450, 8650, 11245, 12491, 22490, 24982, 29237, 56225, 58474, 62455, 112450, 124910, 146185, 162383, 292370, 312275, 324766, 624550, 730925, 811915, 1461850, 1623830, 2110979, 2160943, 4059575, 4221958, 4321886, 8119150, 10554895, 10804715, 21109790, 21609430, 28092259, 52774475, 54023575, 56184518, 105548950, 108047150, 140461295, 280922590, 365199367, 702306475, 730398734, 1404612950, 1825996835, 3651993670, 9129984175, 18259968350]

約数ペア:

[(1, 18259968350), (2, 9129984175), (5, 3651993670), (10, 1825996835), (13, 1404612950), (25, 730398734), (26, 702306475), (50, 365199367), (65, 280922590), (130, 140461295), (169, 108047150), (173, 105548950), (325, 56184518), (338, 54023575), (346, 52774475), (650, 28092259), (845, 21609430), (865, 21109790), (1690, 10804715), (1730, 10554895), (2249, 8119150), (4225, 4321886), (4325, 4221958), (4498, 4059575), (8450, 2160943), (8650, 2110979), (11245, 1623830), (12491, 1461850), (22490, 811915), (24982, 730925), (29237, 624550), (56225, 324766), (58474, 312275), (62455, 292370), (112450, 162383), (124910, 146185)]