19382506

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 35325864

約数和(自身を除く): 15943358

約数列:

[1, 2, 11, 13, 22, 26, 61, 101, 121, 122, 143, 202, 242, 286, 671, 793, 1111, 1313, 1342, 1573, 1586, 2222, 2626, 3146, 6161, 7381, 8723, 12221, 12322, 14443, 14762, 17446, 24442, 28886, 67771, 80093, 95953, 135542, 158873, 160186, 191906, 317746, 745481, 881023, 1490962, 1762046, 9691253, 19382506]

約数ペア:

[(1, 19382506), (2, 9691253), (11, 1762046), (13, 1490962), (22, 881023), (26, 745481), (61, 317746), (101, 191906), (121, 160186), (122, 158873), (143, 135542), (202, 95953), (242, 80093), (286, 67771), (671, 28886), (793, 24442), (1111, 17446), (1313, 14762), (1342, 14443), (1573, 12322), (1586, 12221), (2222, 8723), (2626, 7381), (3146, 6161)]