19162960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7727}}^1$

素因数の和:7771

約数の個数: 40

約数和(自身を含む): 45997056

約数和(自身を除く): 26834096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7727, 15454, 30908, 38635, 61816, 77270, 123632, 154540, 239537, 309080, 479074, 618160, 958148, 1197685, 1916296, 2395370, 3832592, 4790740, 9581480, 19162960]

約数ペア:

[(1, 19162960), (2, 9581480), (4, 4790740), (5, 3832592), (8, 2395370), (10, 1916296), (16, 1197685), (20, 958148), (31, 618160), (40, 479074), (62, 309080), (80, 239537), (124, 154540), (155, 123632), (248, 77270), (310, 61816), (496, 38635), (620, 30908), (1240, 15454), (2480, 7727)]