19201019320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2212099}}^1$

素因数の和:2212148

約数の個数: 64

約数和(自身を含む): 50966784000

約数和(自身を除く): 31765764680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 2212099, 4424198, 8848396, 11060495, 15484693, 17696792, 22120990, 30969386, 44241980, 61938772, 68575069, 77423465, 88483960, 123877544, 137150138, 154846930, 274300276, 309693860, 342875345, 480025483, 548600552, 619387720, 685750690, 960050966, 1371501380, 1920101932, 2400127415, 2743002760, 3840203864, 4800254830, 9600509660, 19201019320]

約数ペア:

[(1, 19201019320), (2, 9600509660), (4, 4800254830), (5, 3840203864), (7, 2743002760), (8, 2400127415), (10, 1920101932), (14, 1371501380), (20, 960050966), (28, 685750690), (31, 619387720), (35, 548600552), (40, 480025483), (56, 342875345), (62, 309693860), (70, 274300276), (124, 154846930), (140, 137150138), (155, 123877544), (217, 88483960), (248, 77423465), (280, 68575069), (310, 61938772), (434, 44241980), (620, 30969386), (868, 22120990), (1085, 17696792), (1240, 15484693), (1736, 11060495), (2170, 8848396), (4340, 4424198), (8680, 2212099)]