19157320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 56044800

約数和(自身を除く): 36887480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 277, 280, 364, 380, 455, 494, 520, 532, 554, 665, 728, 760, 910, 988, 1064, 1108, 1235, 1330, 1385, 1729, 1820, 1939, 1976, 2216, 2470, 2660, 2770, 3458, 3601, 3640, 3878, 4940, 5263, 5320, 5540, 6916, 7202, 7756, 8645, 9695, 9880, 10526, 11080, 13832, 14404, 15512, 17290, 18005, 19390, 21052, 25207, 26315, 28808, 34580, 36010, 36841, 38780, 42104, 50414, 52630, 68419, 69160, 72020, 73682, 77560, 100828, 105260, 126035, 136838, 144040, 147364, 184205, 201656, 210520, 252070, 273676, 294728, 342095, 368410, 478933, 504140, 547352, 684190, 736820, 957866, 1008280, 1368380, 1473640, 1915732, 2394665, 2736760, 3831464, 4789330, 9578660, 19157320]

約数ペア:

[(1, 19157320), (2, 9578660), (4, 4789330), (5, 3831464), (7, 2736760), (8, 2394665), (10, 1915732), (13, 1473640), (14, 1368380), (19, 1008280), (20, 957866), (26, 736820), (28, 684190), (35, 547352), (38, 504140), (40, 478933), (52, 368410), (56, 342095), (65, 294728), (70, 273676), (76, 252070), (91, 210520), (95, 201656), (104, 184205), (130, 147364), (133, 144040), (140, 136838), (152, 126035), (182, 105260), (190, 100828), (247, 77560), (260, 73682), (266, 72020), (277, 69160), (280, 68419), (364, 52630), (380, 50414), (455, 42104), (494, 38780), (520, 36841), (532, 36010), (554, 34580), (665, 28808), (728, 26315), (760, 25207), (910, 21052), (988, 19390), (1064, 18005), (1108, 17290), (1235, 15512), (1330, 14404), (1385, 13832), (1729, 11080), (1820, 10526), (1939, 9880), (1976, 9695), (2216, 8645), (2470, 7756), (2660, 7202), (2770, 6916), (3458, 5540), (3601, 5320), (3640, 5263), (3878, 4940)]