19323680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 29665120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 59, 80, 89, 92, 115, 118, 160, 178, 184, 230, 236, 295, 356, 368, 445, 460, 472, 590, 712, 736, 890, 920, 944, 1180, 1357, 1424, 1780, 1840, 1888, 2047, 2360, 2714, 2848, 3560, 3680, 4094, 4720, 5251, 5428, 6785, 7120, 8188, 9440, 10235, 10502, 10856, 13570, 14240, 16376, 20470, 21004, 21712, 26255, 27140, 32752, 40940, 42008, 43424, 52510, 54280, 65504, 81880, 84016, 105020, 108560, 120773, 163760, 168032, 210040, 217120, 241546, 327520, 420080, 483092, 603865, 840160, 966184, 1207730, 1932368, 2415460, 3864736, 4830920, 9661840, 19323680]

約数ペア:

[(1, 19323680), (2, 9661840), (4, 4830920), (5, 3864736), (8, 2415460), (10, 1932368), (16, 1207730), (20, 966184), (23, 840160), (32, 603865), (40, 483092), (46, 420080), (59, 327520), (80, 241546), (89, 217120), (92, 210040), (115, 168032), (118, 163760), (160, 120773), (178, 108560), (184, 105020), (230, 84016), (236, 81880), (295, 65504), (356, 54280), (368, 52510), (445, 43424), (460, 42008), (472, 40940), (590, 32752), (712, 27140), (736, 26255), (890, 21712), (920, 21004), (944, 20470), (1180, 16376), (1357, 14240), (1424, 13570), (1780, 10856), (1840, 10502), (1888, 10235), (2047, 9440), (2360, 8188), (2714, 7120), (2848, 6785), (3560, 5428), (3680, 5251), (4094, 4720)]