19655580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{883}}^1$

素因数の和:955

約数の個数: 96

約数和(自身を含む): 64157184

約数和(自身を除く): 44501604

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 883, 1060, 1113, 1484, 1590, 1766, 1855, 2226, 2649, 3180, 3532, 3710, 4415, 4452, 5298, 5565, 6181, 7420, 8830, 10596, 11130, 12362, 13245, 17660, 18543, 22260, 24724, 26490, 30905, 37086, 46799, 52980, 61810, 74172, 92715, 93598, 123620, 140397, 185430, 187196, 233995, 280794, 327593, 370860, 467990, 561588, 655186, 701985, 935980, 982779, 1310372, 1403970, 1637965, 1965558, 2807940, 3275930, 3931116, 4913895, 6551860, 9827790, 19655580]

約数ペア:

[(1, 19655580), (2, 9827790), (3, 6551860), (4, 4913895), (5, 3931116), (6, 3275930), (7, 2807940), (10, 1965558), (12, 1637965), (14, 1403970), (15, 1310372), (20, 982779), (21, 935980), (28, 701985), (30, 655186), (35, 561588), (42, 467990), (53, 370860), (60, 327593), (70, 280794), (84, 233995), (105, 187196), (106, 185430), (140, 140397), (159, 123620), (210, 93598), (212, 92715), (265, 74172), (318, 61810), (371, 52980), (420, 46799), (530, 37086), (636, 30905), (742, 26490), (795, 24724), (883, 22260), (1060, 18543), (1113, 17660), (1484, 13245), (1590, 12362), (1766, 11130), (1855, 10596), (2226, 8830), (2649, 7420), (3180, 6181), (3532, 5565), (3710, 5298), (4415, 4452)]