19005395780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2347}}^1\times {\mathrm{8263}}^1$

素因数の和:10633

約数の個数: 72

約数和(自身を含む): 46452869568

約数和(自身を除く): 27447473788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2347, 4694, 8263, 9388, 11735, 16429, 16526, 23470, 32858, 33052, 41315, 46940, 57841, 65716, 82145, 82630, 115003, 115682, 164290, 165260, 230006, 231364, 289205, 328580, 404887, 460012, 575015, 578410, 809774, 1150030, 1156820, 1619548, 2024435, 2300060, 4048870, 8097740, 19393261, 38786522, 77573044, 96966305, 135752827, 193932610, 271505654, 387865220, 543011308, 678764135, 950269789, 1357528270, 1900539578, 2715056540, 3801079156, 4751348945, 9502697890, 19005395780]

約数ペア:

[(1, 19005395780), (2, 9502697890), (4, 4751348945), (5, 3801079156), (7, 2715056540), (10, 1900539578), (14, 1357528270), (20, 950269789), (28, 678764135), (35, 543011308), (49, 387865220), (70, 271505654), (98, 193932610), (140, 135752827), (196, 96966305), (245, 77573044), (490, 38786522), (980, 19393261), (2347, 8097740), (4694, 4048870), (8263, 2300060), (9388, 2024435), (11735, 1619548), (16429, 1156820), (16526, 1150030), (23470, 809774), (32858, 578410), (33052, 575015), (41315, 460012), (46940, 404887), (57841, 328580), (65716, 289205), (82145, 231364), (82630, 230006), (115003, 165260), (115682, 164290)]