20619978

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{947}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 43683840

約数和(自身を除く): 23063862

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 191, 382, 573, 947, 1146, 1894, 2841, 3629, 5682, 7258, 10887, 17993, 21774, 35986, 53979, 107958, 180877, 361754, 542631, 1085262, 3436663, 6873326, 10309989, 20619978]

約数ペア:

[(1, 20619978), (2, 10309989), (3, 6873326), (6, 3436663), (19, 1085262), (38, 542631), (57, 361754), (114, 180877), (191, 107958), (382, 53979), (573, 35986), (947, 21774), (1146, 17993), (1894, 10887), (2841, 7258), (3629, 5682)]