18730510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 37822464

約数和(自身を除く): 19091954

約数列:

[1, 2, 5, 10, 23, 31, 37, 46, 62, 71, 74, 115, 142, 155, 185, 230, 310, 355, 370, 710, 713, 851, 1147, 1426, 1633, 1702, 2201, 2294, 2627, 3266, 3565, 4255, 4402, 5254, 5735, 7130, 8165, 8510, 11005, 11470, 13135, 16330, 22010, 26270, 26381, 50623, 52762, 60421, 81437, 101246, 120842, 131905, 162874, 253115, 263810, 302105, 407185, 506230, 604210, 814370, 1873051, 3746102, 9365255, 18730510]

約数ペア:

[(1, 18730510), (2, 9365255), (5, 3746102), (10, 1873051), (23, 814370), (31, 604210), (37, 506230), (46, 407185), (62, 302105), (71, 263810), (74, 253115), (115, 162874), (142, 131905), (155, 120842), (185, 101246), (230, 81437), (310, 60421), (355, 52762), (370, 50623), (710, 26381), (713, 26270), (851, 22010), (1147, 16330), (1426, 13135), (1633, 11470), (1702, 11005), (2201, 8510), (2294, 8165), (2627, 7130), (3266, 5735), (3565, 5254), (4255, 4402)]