19566680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 52326000

約数和(自身を除く): 32759320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 67, 70, 98, 134, 140, 149, 196, 245, 268, 280, 298, 335, 392, 469, 490, 536, 596, 670, 745, 938, 980, 1043, 1192, 1340, 1490, 1876, 1960, 2086, 2345, 2680, 2980, 3283, 3752, 4172, 4690, 5215, 5960, 6566, 7301, 8344, 9380, 9983, 10430, 13132, 14602, 16415, 18760, 19966, 20860, 26264, 29204, 32830, 36505, 39932, 41720, 49915, 58408, 65660, 69881, 73010, 79864, 99830, 131320, 139762, 146020, 199660, 279524, 292040, 349405, 399320, 489167, 559048, 698810, 978334, 1397620, 1956668, 2445835, 2795240, 3913336, 4891670, 9783340, 19566680]

約数ペア:

[(1, 19566680), (2, 9783340), (4, 4891670), (5, 3913336), (7, 2795240), (8, 2445835), (10, 1956668), (14, 1397620), (20, 978334), (28, 698810), (35, 559048), (40, 489167), (49, 399320), (56, 349405), (67, 292040), (70, 279524), (98, 199660), (134, 146020), (140, 139762), (149, 131320), (196, 99830), (245, 79864), (268, 73010), (280, 69881), (298, 65660), (335, 58408), (392, 49915), (469, 41720), (490, 39932), (536, 36505), (596, 32830), (670, 29204), (745, 26264), (938, 20860), (980, 19966), (1043, 18760), (1192, 16415), (1340, 14602), (1490, 13132), (1876, 10430), (1960, 9983), (2086, 9380), (2345, 8344), (2680, 7301), (2980, 6566), (3283, 5960), (3752, 5215), (4172, 4690)]