18416856

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 48729600

約数和(自身を除く): 30312744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 47, 58, 87, 94, 116, 141, 174, 188, 232, 282, 348, 376, 563, 564, 696, 1126, 1128, 1363, 1689, 2252, 2726, 3378, 4089, 4504, 5452, 6756, 8178, 10904, 13512, 16327, 16356, 26461, 32654, 32712, 48981, 52922, 65308, 79383, 97962, 105844, 130616, 158766, 195924, 211688, 317532, 391848, 635064, 767369, 1534738, 2302107, 3069476, 4604214, 6138952, 9208428, 18416856]

約数ペア:

[(1, 18416856), (2, 9208428), (3, 6138952), (4, 4604214), (6, 3069476), (8, 2302107), (12, 1534738), (24, 767369), (29, 635064), (47, 391848), (58, 317532), (87, 211688), (94, 195924), (116, 158766), (141, 130616), (174, 105844), (188, 97962), (232, 79383), (282, 65308), (348, 52922), (376, 48981), (563, 32712), (564, 32654), (696, 26461), (1126, 16356), (1128, 16327), (1363, 13512), (1689, 10904), (2252, 8178), (2726, 6756), (3378, 5452), (4089, 4504)]