19823260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31973}}^1$

素因数の和:32013

約数の個数: 24

約数和(自身を含む): 42973056

約数和(自身を除く): 23149796

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31973, 63946, 127892, 159865, 319730, 639460, 991163, 1982326, 3964652, 4955815, 9911630, 19823260]

約数ペア:

[(1, 19823260), (2, 9911630), (4, 4955815), (5, 3964652), (10, 1982326), (20, 991163), (31, 639460), (62, 319730), (124, 159865), (155, 127892), (310, 63946), (620, 31973)]