18813210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48239}}^1$

素因数の和:48262

約数の個数: 32

約数和(自身を含む): 48625920

約数和(自身を除く): 29812710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48239, 96478, 144717, 241195, 289434, 482390, 627107, 723585, 1254214, 1447170, 1881321, 3135535, 3762642, 6271070, 9406605, 18813210]

約数ペア:

[(1, 18813210), (2, 9406605), (3, 6271070), (5, 3762642), (6, 3135535), (10, 1881321), (13, 1447170), (15, 1254214), (26, 723585), (30, 627107), (39, 482390), (65, 289434), (78, 241195), (130, 144717), (195, 96478), (390, 48239)]