19649136

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31489}}^1$

素因数の和:31513

約数の個数: 40

約数和(自身を含む): 54666640

約数和(自身を除く): 35017504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31489, 62978, 94467, 125956, 188934, 251912, 377868, 409357, 503824, 755736, 818714, 1228071, 1511472, 1637428, 2456142, 3274856, 4912284, 6549712, 9824568, 19649136]

約数ペア:

[(1, 19649136), (2, 9824568), (3, 6549712), (4, 4912284), (6, 3274856), (8, 2456142), (12, 1637428), (13, 1511472), (16, 1228071), (24, 818714), (26, 755736), (39, 503824), (48, 409357), (52, 377868), (78, 251912), (104, 188934), (156, 125956), (208, 94467), (312, 62978), (624, 31489)]