19367920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1730

約数の個数: 80

約数和(自身を含む): 52934112

約数和(自身を除く): 33566192

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1693, 2288, 2860, 3386, 5720, 6772, 8465, 11440, 13544, 16930, 18623, 22009, 27088, 33860, 37246, 44018, 67720, 74492, 88036, 93115, 110045, 135440, 148984, 176072, 186230, 220090, 242099, 297968, 352144, 372460, 440180, 484198, 744920, 880360, 968396, 1210495, 1489840, 1760720, 1936792, 2420990, 3873584, 4841980, 9683960, 19367920]

約数ペア:

[(1, 19367920), (2, 9683960), (4, 4841980), (5, 3873584), (8, 2420990), (10, 1936792), (11, 1760720), (13, 1489840), (16, 1210495), (20, 968396), (22, 880360), (26, 744920), (40, 484198), (44, 440180), (52, 372460), (55, 352144), (65, 297968), (80, 242099), (88, 220090), (104, 186230), (110, 176072), (130, 148984), (143, 135440), (176, 110045), (208, 93115), (220, 88036), (260, 74492), (286, 67720), (440, 44018), (520, 37246), (572, 33860), (715, 27088), (880, 22009), (1040, 18623), (1144, 16930), (1430, 13544), (1693, 11440), (2288, 8465), (2860, 6772), (3386, 5720)]