19113640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 35318360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 89, 91, 104, 118, 130, 140, 178, 182, 236, 260, 280, 295, 356, 364, 413, 445, 455, 472, 520, 590, 623, 712, 728, 767, 826, 890, 910, 1157, 1180, 1246, 1534, 1652, 1780, 1820, 2065, 2314, 2360, 2492, 3068, 3115, 3304, 3560, 3640, 3835, 4130, 4628, 4984, 5251, 5369, 5785, 6136, 6230, 7670, 8099, 8260, 9256, 10502, 10738, 11570, 12460, 15340, 16198, 16520, 21004, 21476, 23140, 24920, 26255, 26845, 30680, 32396, 36757, 40495, 42008, 42952, 46280, 52510, 53690, 64792, 68263, 73514, 80990, 105020, 107380, 136526, 147028, 161980, 183785, 210040, 214760, 273052, 294056, 323960, 341315, 367570, 477841, 546104, 682630, 735140, 955682, 1365260, 1470280, 1911364, 2389205, 2730520, 3822728, 4778410, 9556820, 19113640]

約数ペア:

[(1, 19113640), (2, 9556820), (4, 4778410), (5, 3822728), (7, 2730520), (8, 2389205), (10, 1911364), (13, 1470280), (14, 1365260), (20, 955682), (26, 735140), (28, 682630), (35, 546104), (40, 477841), (52, 367570), (56, 341315), (59, 323960), (65, 294056), (70, 273052), (89, 214760), (91, 210040), (104, 183785), (118, 161980), (130, 147028), (140, 136526), (178, 107380), (182, 105020), (236, 80990), (260, 73514), (280, 68263), (295, 64792), (356, 53690), (364, 52510), (413, 46280), (445, 42952), (455, 42008), (472, 40495), (520, 36757), (590, 32396), (623, 30680), (712, 26845), (728, 26255), (767, 24920), (826, 23140), (890, 21476), (910, 21004), (1157, 16520), (1180, 16198), (1246, 15340), (1534, 12460), (1652, 11570), (1780, 10738), (1820, 10502), (2065, 9256), (2314, 8260), (2360, 8099), (2492, 7670), (3068, 6230), (3115, 6136), (3304, 5785), (3560, 5369), (3640, 5251), (3835, 4984), (4130, 4628)]