19153938

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 41696640

約数和(自身を除く): 22542702

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 111, 114, 222, 239, 361, 478, 703, 717, 722, 1083, 1406, 1434, 2109, 2166, 4218, 4541, 8843, 9082, 13357, 13623, 17686, 26529, 26714, 27246, 40071, 53058, 80142, 86279, 168017, 172558, 258837, 336034, 504051, 517674, 1008102, 3192323, 6384646, 9576969, 19153938]

約数ペア:

[(1, 19153938), (2, 9576969), (3, 6384646), (6, 3192323), (19, 1008102), (37, 517674), (38, 504051), (57, 336034), (74, 258837), (111, 172558), (114, 168017), (222, 86279), (239, 80142), (361, 53058), (478, 40071), (703, 27246), (717, 26714), (722, 26529), (1083, 17686), (1406, 13623), (1434, 13357), (2109, 9082), (2166, 8843), (4218, 4541)]