19129858

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:738

約数の個数: 24

約数和(自身を含む): 31825836

約数和(自身を除く): 12695978

約数列:

[1, 2, 11, 22, 121, 137, 242, 274, 577, 1154, 1507, 3014, 6347, 12694, 16577, 33154, 69817, 79049, 139634, 158098, 869539, 1739078, 9564929, 19129858]

約数ペア:

[(1, 19129858), (2, 9564929), (11, 1739078), (22, 869539), (121, 158098), (137, 139634), (242, 79049), (274, 69817), (577, 33154), (1154, 16577), (1507, 12694), (3014, 6347)]