18832020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 55641600

約数和(自身を除く): 36809580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 79, 87, 116, 137, 145, 158, 174, 237, 274, 290, 316, 348, 395, 411, 435, 474, 548, 580, 685, 790, 822, 870, 948, 1185, 1370, 1580, 1644, 1740, 2055, 2291, 2370, 2740, 3973, 4110, 4582, 4740, 6873, 7946, 8220, 9164, 10823, 11455, 11919, 13746, 15892, 19865, 21646, 22910, 23838, 27492, 32469, 34365, 39730, 43292, 45820, 47676, 54115, 59595, 64938, 68730, 79460, 108230, 119190, 129876, 137460, 162345, 216460, 238380, 313867, 324690, 627734, 649380, 941601, 1255468, 1569335, 1883202, 3138670, 3766404, 4708005, 6277340, 9416010, 18832020]

約数ペア:

[(1, 18832020), (2, 9416010), (3, 6277340), (4, 4708005), (5, 3766404), (6, 3138670), (10, 1883202), (12, 1569335), (15, 1255468), (20, 941601), (29, 649380), (30, 627734), (58, 324690), (60, 313867), (79, 238380), (87, 216460), (116, 162345), (137, 137460), (145, 129876), (158, 119190), (174, 108230), (237, 79460), (274, 68730), (290, 64938), (316, 59595), (348, 54115), (395, 47676), (411, 45820), (435, 43292), (474, 39730), (548, 34365), (580, 32469), (685, 27492), (790, 23838), (822, 22910), (870, 21646), (948, 19865), (1185, 15892), (1370, 13746), (1580, 11919), (1644, 11455), (1740, 10823), (2055, 9164), (2291, 8220), (2370, 7946), (2740, 6873), (3973, 4740), (4110, 4582)]