1918804548220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5471}}^1\times {\mathrm{2505163}}^1$

素因数の和:2510650

約数の個数: 48

約数和(自身を含む): 4605974489088

約数和(自身を除く): 2687169940868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5471, 10942, 21884, 27355, 38297, 54710, 76594, 109420, 153188, 191485, 382970, 765940, 2505163, 5010326, 10020652, 12525815, 17536141, 25051630, 35072282, 50103260, 70144564, 87680705, 175361410, 350722820, 13705746773, 27411493546, 54822987092, 68528733865, 95940227411, 137057467730, 191880454822, 274114935460, 383760909644, 479701137055, 959402274110, 1918804548220]

約数ペア:

[(1, 1918804548220), (2, 959402274110), (4, 479701137055), (5, 383760909644), (7, 274114935460), (10, 191880454822), (14, 137057467730), (20, 95940227411), (28, 68528733865), (35, 54822987092), (70, 27411493546), (140, 13705746773), (5471, 350722820), (10942, 175361410), (21884, 87680705), (27355, 70144564), (38297, 50103260), (54710, 35072282), (76594, 25051630), (109420, 17536141), (153188, 12525815), (191485, 10020652), (382970, 5010326), (765940, 2505163)]