18240180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 58980096

約数和(自身を除く): 40739916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 137, 140, 210, 274, 317, 411, 420, 548, 634, 685, 822, 951, 959, 1268, 1370, 1585, 1644, 1902, 1918, 2055, 2219, 2740, 2877, 3170, 3804, 3836, 4110, 4438, 4755, 4795, 5754, 6340, 6657, 8220, 8876, 9510, 9590, 11095, 11508, 13314, 14385, 19020, 19180, 22190, 26628, 28770, 33285, 43429, 44380, 57540, 66570, 86858, 130287, 133140, 173716, 217145, 260574, 304003, 434290, 521148, 608006, 651435, 868580, 912009, 1216012, 1302870, 1520015, 1824018, 2605740, 3040030, 3648036, 4560045, 6080060, 9120090, 18240180]

約数ペア:

[(1, 18240180), (2, 9120090), (3, 6080060), (4, 4560045), (5, 3648036), (6, 3040030), (7, 2605740), (10, 1824018), (12, 1520015), (14, 1302870), (15, 1216012), (20, 912009), (21, 868580), (28, 651435), (30, 608006), (35, 521148), (42, 434290), (60, 304003), (70, 260574), (84, 217145), (105, 173716), (137, 133140), (140, 130287), (210, 86858), (274, 66570), (317, 57540), (411, 44380), (420, 43429), (548, 33285), (634, 28770), (685, 26628), (822, 22190), (951, 19180), (959, 19020), (1268, 14385), (1370, 13314), (1585, 11508), (1644, 11095), (1902, 9590), (1918, 9510), (2055, 8876), (2219, 8220), (2740, 6657), (2877, 6340), (3170, 5754), (3804, 4795), (3836, 4755), (4110, 4438)]