19217120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9239}}^1$

素因数の和:9267

約数の個数: 48

約数和(自身を含む): 48898080

約数和(自身を除く): 29680960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9239, 18478, 36956, 46195, 73912, 92390, 120107, 147824, 184780, 240214, 295648, 369560, 480428, 600535, 739120, 960856, 1201070, 1478240, 1921712, 2402140, 3843424, 4804280, 9608560, 19217120]

約数ペア:

[(1, 19217120), (2, 9608560), (4, 4804280), (5, 3843424), (8, 2402140), (10, 1921712), (13, 1478240), (16, 1201070), (20, 960856), (26, 739120), (32, 600535), (40, 480428), (52, 369560), (65, 295648), (80, 240214), (104, 184780), (130, 147824), (160, 120107), (208, 92390), (260, 73912), (416, 46195), (520, 36956), (1040, 18478), (2080, 9239)]