19278840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 67392000

約数和(自身を除く): 48113160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 84, 105, 118, 120, 140, 168, 177, 210, 236, 280, 295, 354, 389, 413, 420, 472, 590, 708, 778, 826, 840, 885, 1167, 1180, 1239, 1416, 1556, 1652, 1770, 1945, 2065, 2334, 2360, 2478, 2723, 3112, 3304, 3540, 3890, 4130, 4668, 4956, 5446, 5835, 6195, 7080, 7780, 8169, 8260, 9336, 9912, 10892, 11670, 12390, 13615, 15560, 16338, 16520, 21784, 22951, 23340, 24780, 27230, 32676, 40845, 45902, 46680, 49560, 54460, 65352, 68853, 81690, 91804, 108920, 114755, 137706, 160657, 163380, 183608, 229510, 275412, 321314, 326760, 344265, 459020, 481971, 550824, 642628, 688530, 803285, 918040, 963942, 1285256, 1377060, 1606570, 1927884, 2409855, 2754120, 3213140, 3855768, 4819710, 6426280, 9639420, 19278840]

約数ペア:

[(1, 19278840), (2, 9639420), (3, 6426280), (4, 4819710), (5, 3855768), (6, 3213140), (7, 2754120), (8, 2409855), (10, 1927884), (12, 1606570), (14, 1377060), (15, 1285256), (20, 963942), (21, 918040), (24, 803285), (28, 688530), (30, 642628), (35, 550824), (40, 481971), (42, 459020), (56, 344265), (59, 326760), (60, 321314), (70, 275412), (84, 229510), (105, 183608), (118, 163380), (120, 160657), (140, 137706), (168, 114755), (177, 108920), (210, 91804), (236, 81690), (280, 68853), (295, 65352), (354, 54460), (389, 49560), (413, 46680), (420, 45902), (472, 40845), (590, 32676), (708, 27230), (778, 24780), (826, 23340), (840, 22951), (885, 21784), (1167, 16520), (1180, 16338), (1239, 15560), (1416, 13615), (1556, 12390), (1652, 11670), (1770, 10892), (1945, 9912), (2065, 9336), (2334, 8260), (2360, 8169), (2478, 7780), (2723, 7080), (3112, 6195), (3304, 5835), (3540, 5446), (3890, 4956), (4130, 4668)]