201913642

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{3847}}^1$

素因数の和:4042

約数の個数: 32

約数和(自身を含む): 363497472

約数和(自身を除く): 161583830

約数列:

[1, 2, 7, 14, 23, 46, 161, 163, 322, 326, 1141, 2282, 3749, 3847, 7498, 7694, 26243, 26929, 52486, 53858, 88481, 176962, 619367, 627061, 1238734, 1254122, 4389427, 8778854, 14422403, 28844806, 100956821, 201913642]

約数ペア:

[(1, 201913642), (2, 100956821), (7, 28844806), (14, 14422403), (23, 8778854), (46, 4389427), (161, 1254122), (163, 1238734), (322, 627061), (326, 619367), (1141, 176962), (2282, 88481), (3749, 53858), (3847, 52486), (7498, 26929), (7694, 26243)]