19546120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1433}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 49559040

約数和(自身を除く): 30012920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1433, 1705, 2728, 2866, 3410, 5732, 6820, 7165, 11464, 13640, 14330, 15763, 28660, 31526, 44423, 57320, 63052, 78815, 88846, 126104, 157630, 177692, 222115, 315260, 355384, 444230, 488653, 630520, 888460, 977306, 1776920, 1954612, 2443265, 3909224, 4886530, 9773060, 19546120]

約数ペア:

[(1, 19546120), (2, 9773060), (4, 4886530), (5, 3909224), (8, 2443265), (10, 1954612), (11, 1776920), (20, 977306), (22, 888460), (31, 630520), (40, 488653), (44, 444230), (55, 355384), (62, 315260), (88, 222115), (110, 177692), (124, 157630), (155, 126104), (220, 88846), (248, 78815), (310, 63052), (341, 57320), (440, 44423), (620, 31526), (682, 28660), (1240, 15763), (1364, 14330), (1433, 13640), (1705, 11464), (2728, 7165), (2866, 6820), (3410, 5732)]