18756984

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1483}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 32530056

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 372, 408, 527, 744, 1054, 1483, 1581, 2108, 2966, 3162, 4216, 4449, 5932, 6324, 8898, 11864, 12648, 17796, 25211, 35592, 45973, 50422, 75633, 91946, 100844, 137919, 151266, 183892, 201688, 275838, 302532, 367784, 551676, 605064, 781541, 1103352, 1563082, 2344623, 3126164, 4689246, 6252328, 9378492, 18756984]

約数ペア:

[(1, 18756984), (2, 9378492), (3, 6252328), (4, 4689246), (6, 3126164), (8, 2344623), (12, 1563082), (17, 1103352), (24, 781541), (31, 605064), (34, 551676), (51, 367784), (62, 302532), (68, 275838), (93, 201688), (102, 183892), (124, 151266), (136, 137919), (186, 100844), (204, 91946), (248, 75633), (372, 50422), (408, 45973), (527, 35592), (744, 25211), (1054, 17796), (1483, 12648), (1581, 11864), (2108, 8898), (2966, 6324), (3162, 5932), (4216, 4449)]