19630960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 48854016

約数和(自身を除く): 29223056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 227, 230, 235, 368, 376, 454, 460, 470, 752, 908, 920, 940, 1081, 1135, 1816, 1840, 1880, 2162, 2270, 3632, 3760, 4324, 4540, 5221, 5405, 8648, 9080, 10442, 10669, 10810, 17296, 18160, 20884, 21338, 21620, 26105, 41768, 42676, 43240, 52210, 53345, 83536, 85352, 86480, 104420, 106690, 170704, 208840, 213380, 245387, 417680, 426760, 490774, 853520, 981548, 1226935, 1963096, 2453870, 3926192, 4907740, 9815480, 19630960]

約数ペア:

[(1, 19630960), (2, 9815480), (4, 4907740), (5, 3926192), (8, 2453870), (10, 1963096), (16, 1226935), (20, 981548), (23, 853520), (40, 490774), (46, 426760), (47, 417680), (80, 245387), (92, 213380), (94, 208840), (115, 170704), (184, 106690), (188, 104420), (227, 86480), (230, 85352), (235, 83536), (368, 53345), (376, 52210), (454, 43240), (460, 42676), (470, 41768), (752, 26105), (908, 21620), (920, 21338), (940, 20884), (1081, 18160), (1135, 17296), (1816, 10810), (1840, 10669), (1880, 10442), (2162, 9080), (2270, 8648), (3632, 5405), (3760, 5221), (4324, 4540)]