19255185

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 17240175

約数列:

[1, 3, 5, 9, 15, 27, 31, 43, 45, 93, 107, 129, 135, 155, 215, 279, 321, 387, 465, 535, 645, 837, 963, 1161, 1333, 1395, 1605, 1935, 2889, 3317, 3999, 4185, 4601, 4815, 5805, 6665, 9951, 11997, 13803, 14445, 16585, 19995, 23005, 29853, 35991, 41409, 49755, 59985, 69015, 89559, 124227, 142631, 149265, 179955, 207045, 427893, 447795, 621135, 713155, 1283679, 2139465, 3851037, 6418395, 19255185]

約数ペア:

[(1, 19255185), (3, 6418395), (5, 3851037), (9, 2139465), (15, 1283679), (27, 713155), (31, 621135), (43, 447795), (45, 427893), (93, 207045), (107, 179955), (129, 149265), (135, 142631), (155, 124227), (215, 89559), (279, 69015), (321, 59985), (387, 49755), (465, 41409), (535, 35991), (645, 29853), (837, 23005), (963, 19995), (1161, 16585), (1333, 14445), (1395, 13803), (1605, 11997), (1935, 9951), (2889, 6665), (3317, 5805), (3999, 4815), (4185, 4601)]