18413790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 46391616

約数和(自身を除く): 27977826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 53, 74, 106, 111, 159, 185, 222, 265, 313, 318, 370, 530, 555, 626, 795, 939, 1110, 1565, 1590, 1878, 1961, 3130, 3922, 4695, 5883, 9390, 9805, 11581, 11766, 16589, 19610, 23162, 29415, 33178, 34743, 49767, 57905, 58830, 69486, 82945, 99534, 115810, 165890, 173715, 248835, 347430, 497670, 613793, 1227586, 1841379, 3068965, 3682758, 6137930, 9206895, 18413790]

約数ペア:

[(1, 18413790), (2, 9206895), (3, 6137930), (5, 3682758), (6, 3068965), (10, 1841379), (15, 1227586), (30, 613793), (37, 497670), (53, 347430), (74, 248835), (106, 173715), (111, 165890), (159, 115810), (185, 99534), (222, 82945), (265, 69486), (313, 58830), (318, 57905), (370, 49767), (530, 34743), (555, 33178), (626, 29415), (795, 23162), (939, 19610), (1110, 16589), (1565, 11766), (1590, 11581), (1878, 9805), (1961, 9390), (3130, 5883), (3922, 4695)]