18083650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 37122624

約数和(自身を除く): 19038974

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 647, 650, 1075, 1118, 1294, 2150, 2795, 3235, 5590, 6470, 8411, 13975, 16175, 16822, 27821, 27950, 32350, 42055, 55642, 84110, 139105, 210275, 278210, 361673, 420550, 695525, 723346, 1391050, 1808365, 3616730, 9041825, 18083650]

約数ペア:

[(1, 18083650), (2, 9041825), (5, 3616730), (10, 1808365), (13, 1391050), (25, 723346), (26, 695525), (43, 420550), (50, 361673), (65, 278210), (86, 210275), (130, 139105), (215, 84110), (325, 55642), (430, 42055), (559, 32350), (647, 27950), (650, 27821), (1075, 16822), (1118, 16175), (1294, 13975), (2150, 8411), (2795, 6470), (3235, 5590)]