19293160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15559}}^1$

素因数の和:15601

約数の個数: 32

約数和(自身を含む): 44812800

約数和(自身を除く): 25519640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15559, 31118, 62236, 77795, 124472, 155590, 311180, 482329, 622360, 964658, 1929316, 2411645, 3858632, 4823290, 9646580, 19293160]

約数ペア:

[(1, 19293160), (2, 9646580), (4, 4823290), (5, 3858632), (8, 2411645), (10, 1929316), (20, 964658), (31, 622360), (40, 482329), (62, 311180), (124, 155590), (155, 124472), (248, 77795), (310, 62236), (620, 31118), (1240, 15559)]