18366918580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{331}}^1\times {\mathrm{3299}}^1$

素因数の和:3697

約数の個数: 72

約数和(自身を含む): 40079239200

約数和(自身を除く): 21712320620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 580, 662, 841, 1324, 1655, 1682, 3299, 3310, 3364, 4205, 6598, 6620, 8410, 9599, 13196, 16495, 16820, 19198, 32990, 38396, 47995, 65980, 95671, 95990, 191342, 191980, 278371, 382684, 478355, 556742, 956710, 1091969, 1113484, 1391855, 1913420, 2183938, 2774459, 2783710, 4367876, 5459845, 5548918, 5567420, 10919690, 11097836, 13872295, 21839380, 27744590, 31667101, 55489180, 63334202, 126668404, 158335505, 316671010, 633342020, 918345929, 1836691858, 3673383716, 4591729645, 9183459290, 18366918580]

約数ペア:

[(1, 18366918580), (2, 9183459290), (4, 4591729645), (5, 3673383716), (10, 1836691858), (20, 918345929), (29, 633342020), (58, 316671010), (116, 158335505), (145, 126668404), (290, 63334202), (331, 55489180), (580, 31667101), (662, 27744590), (841, 21839380), (1324, 13872295), (1655, 11097836), (1682, 10919690), (3299, 5567420), (3310, 5548918), (3364, 5459845), (4205, 4367876), (6598, 2783710), (6620, 2774459), (8410, 2183938), (9599, 1913420), (13196, 1391855), (16495, 1113484), (16820, 1091969), (19198, 956710), (32990, 556742), (38396, 478355), (47995, 382684), (65980, 278371), (95671, 191980), (95990, 191342)]