1640411284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{22229}}^1$

素因数の和:23223

約数の個数: 24

約数和(自身を含む): 3025058400

約数和(自身を除く): 1384647116

約数列:

[1, 2, 4, 19, 38, 76, 971, 1942, 3884, 18449, 22229, 36898, 44458, 73796, 88916, 422351, 844702, 1689404, 21584359, 43168718, 86337436, 410102821, 820205642, 1640411284]

約数ペア:

[(1, 1640411284), (2, 820205642), (4, 410102821), (19, 86337436), (38, 43168718), (76, 21584359), (971, 1689404), (1942, 844702), (3884, 422351), (18449, 88916), (22229, 73796), (36898, 44458)]