12418780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3010

約数の個数: 48

約数和(自身を含む): 29957760

約数和(自身を除く): 17538980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2971, 4180, 5942, 11884, 14855, 29710, 32681, 56449, 59420, 65362, 112898, 130724, 163405, 225796, 282245, 326810, 564490, 620939, 653620, 1128980, 1241878, 2483756, 3104695, 6209390, 12418780]

約数ペア:

[(1, 12418780), (2, 6209390), (4, 3104695), (5, 2483756), (10, 1241878), (11, 1128980), (19, 653620), (20, 620939), (22, 564490), (38, 326810), (44, 282245), (55, 225796), (76, 163405), (95, 130724), (110, 112898), (190, 65362), (209, 59420), (220, 56449), (380, 32681), (418, 29710), (836, 14855), (1045, 11884), (2090, 5942), (2971, 4180)]