19931240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10169}}^1$

素因数の和:10194

約数の個数: 48

約数和(自身を含む): 52172100

約数和(自身を除く): 32240860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10169, 20338, 40676, 50845, 71183, 81352, 101690, 142366, 203380, 284732, 355915, 406760, 498281, 569464, 711830, 996562, 1423660, 1993124, 2491405, 2847320, 3986248, 4982810, 9965620, 19931240]

約数ペア:

[(1, 19931240), (2, 9965620), (4, 4982810), (5, 3986248), (7, 2847320), (8, 2491405), (10, 1993124), (14, 1423660), (20, 996562), (28, 711830), (35, 569464), (40, 498281), (49, 406760), (56, 355915), (70, 284732), (98, 203380), (140, 142366), (196, 101690), (245, 81352), (280, 71183), (392, 50845), (490, 40676), (980, 20338), (1960, 10169)]