22159878980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{391379}}^1$

素因数の和:391556

約数の個数: 48

約数和(自身を含む): 49313880000

約数和(自身を除く): 27154001020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1490, 2831, 2980, 5662, 11324, 14155, 28310, 56620, 391379, 782758, 1565516, 1956895, 3913790, 7436201, 7827580, 14872402, 29744804, 37181005, 58315471, 74362010, 116630942, 148724020, 233261884, 291577355, 583154710, 1107993949, 1166309420, 2215987898, 4431975796, 5539969745, 11079939490, 22159878980]

約数ペア:

[(1, 22159878980), (2, 11079939490), (4, 5539969745), (5, 4431975796), (10, 2215987898), (19, 1166309420), (20, 1107993949), (38, 583154710), (76, 291577355), (95, 233261884), (149, 148724020), (190, 116630942), (298, 74362010), (380, 58315471), (596, 37181005), (745, 29744804), (1490, 14872402), (2831, 7827580), (2980, 7436201), (5662, 3913790), (11324, 1956895), (14155, 1565516), (28310, 782758), (56620, 391379)]