18861720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157181}}^1$

素因数の和:157195

約数の個数: 32

約数和(自身を含む): 56585520

約数和(自身を除く): 37723800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157181, 314362, 471543, 628724, 785905, 943086, 1257448, 1571810, 1886172, 2357715, 3143620, 3772344, 4715430, 6287240, 9430860, 18861720]

約数ペア:

[(1, 18861720), (2, 9430860), (3, 6287240), (4, 4715430), (5, 3772344), (6, 3143620), (8, 2357715), (10, 1886172), (12, 1571810), (15, 1257448), (20, 943086), (24, 785905), (30, 628724), (40, 471543), (60, 314362), (120, 157181)]