18989750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5843}}^1$

素因数の和:5873

約数の個数: 32

約数和(自身を含む): 38289888

約数和(自身を除く): 19300138

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 5843, 11686, 29215, 58430, 75959, 146075, 151918, 292150, 379795, 730375, 759590, 1460750, 1898975, 3797950, 9494875, 18989750]

約数ペア:

[(1, 18989750), (2, 9494875), (5, 3797950), (10, 1898975), (13, 1460750), (25, 759590), (26, 730375), (50, 379795), (65, 292150), (125, 151918), (130, 146075), (250, 75959), (325, 58430), (650, 29215), (1625, 11686), (3250, 5843)]