19111768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1217}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 38878560

約数和(自身を除く): 19766792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1217, 1963, 2434, 3926, 4868, 7852, 9736, 15704, 15821, 31642, 63284, 126568, 183767, 367534, 735068, 1470136, 2388971, 4777942, 9555884, 19111768]

約数ペア:

[(1, 19111768), (2, 9555884), (4, 4777942), (8, 2388971), (13, 1470136), (26, 735068), (52, 367534), (104, 183767), (151, 126568), (302, 63284), (604, 31642), (1208, 15821), (1217, 15704), (1963, 9736), (2434, 7852), (3926, 4868)]