18857580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:839

約数の個数: 96

約数和(自身を含む): 61447680

約数和(自身を除く): 42590100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 295, 354, 413, 420, 590, 708, 761, 826, 885, 1180, 1239, 1522, 1652, 1770, 2065, 2283, 2478, 3044, 3540, 3805, 4130, 4566, 4956, 5327, 6195, 7610, 8260, 9132, 10654, 11415, 12390, 15220, 15981, 21308, 22830, 24780, 26635, 31962, 44899, 45660, 53270, 63924, 79905, 89798, 106540, 134697, 159810, 179596, 224495, 269394, 314293, 319620, 448990, 538788, 628586, 673485, 897980, 942879, 1257172, 1346970, 1571465, 1885758, 2693940, 3142930, 3771516, 4714395, 6285860, 9428790, 18857580]

約数ペア:

[(1, 18857580), (2, 9428790), (3, 6285860), (4, 4714395), (5, 3771516), (6, 3142930), (7, 2693940), (10, 1885758), (12, 1571465), (14, 1346970), (15, 1257172), (20, 942879), (21, 897980), (28, 673485), (30, 628586), (35, 538788), (42, 448990), (59, 319620), (60, 314293), (70, 269394), (84, 224495), (105, 179596), (118, 159810), (140, 134697), (177, 106540), (210, 89798), (236, 79905), (295, 63924), (354, 53270), (413, 45660), (420, 44899), (590, 31962), (708, 26635), (761, 24780), (826, 22830), (885, 21308), (1180, 15981), (1239, 15220), (1522, 12390), (1652, 11415), (1770, 10654), (2065, 9132), (2283, 8260), (2478, 7610), (3044, 6195), (3540, 5327), (3805, 4956), (4130, 4566)]