19991132

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7069}}^1$

素因数の和:7181

約数の個数: 24

約数和(自身を含む): 40383840

約数和(自身を除く): 20392708

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7069, 14138, 28276, 49483, 98966, 197932, 713969, 1427938, 2855876, 4997783, 9995566, 19991132]

約数ペア:

[(1, 19991132), (2, 9995566), (4, 4997783), (7, 2855876), (14, 1427938), (28, 713969), (101, 197932), (202, 98966), (404, 49483), (707, 28276), (1414, 14138), (2828, 7069)]