18948358

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 35526960

約数和(自身を除く): 16578602

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 121, 143, 209, 242, 247, 286, 317, 418, 494, 634, 1573, 2299, 2717, 3146, 3487, 4121, 4598, 5434, 6023, 6974, 8242, 12046, 29887, 38357, 45331, 59774, 66253, 76714, 78299, 90662, 132506, 156598, 498641, 728783, 861289, 997282, 1457566, 1722578, 9474179, 18948358]

約数ペア:

[(1, 18948358), (2, 9474179), (11, 1722578), (13, 1457566), (19, 997282), (22, 861289), (26, 728783), (38, 498641), (121, 156598), (143, 132506), (209, 90662), (242, 78299), (247, 76714), (286, 66253), (317, 59774), (418, 45331), (494, 38357), (634, 29887), (1573, 12046), (2299, 8242), (2717, 6974), (3146, 6023), (3487, 5434), (4121, 4598)]