18963100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 45934560

約数和(自身を除く): 26971460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 503, 580, 650, 725, 754, 1006, 1300, 1450, 1508, 1885, 2012, 2515, 2900, 3770, 5030, 6539, 7540, 9425, 10060, 12575, 13078, 14587, 18850, 25150, 26156, 29174, 32695, 37700, 50300, 58348, 65390, 72935, 130780, 145870, 163475, 189631, 291740, 326950, 364675, 379262, 653900, 729350, 758524, 948155, 1458700, 1896310, 3792620, 4740775, 9481550, 18963100]

約数ペア:

[(1, 18963100), (2, 9481550), (4, 4740775), (5, 3792620), (10, 1896310), (13, 1458700), (20, 948155), (25, 758524), (26, 729350), (29, 653900), (50, 379262), (52, 364675), (58, 326950), (65, 291740), (100, 189631), (116, 163475), (130, 145870), (145, 130780), (260, 72935), (290, 65390), (325, 58348), (377, 50300), (503, 37700), (580, 32695), (650, 29174), (725, 26156), (754, 25150), (1006, 18850), (1300, 14587), (1450, 13078), (1508, 12575), (1885, 10060), (2012, 9425), (2515, 7540), (2900, 6539), (3770, 5030)]