16889990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{751}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 32973696

約数和(自身を除く): 16083706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 751, 865, 1502, 1730, 2249, 3755, 4498, 7510, 9763, 11245, 19526, 22490, 48815, 97630, 129923, 259846, 649615, 1299230, 1688999, 3377998, 8444995, 16889990]

約数ペア:

[(1, 16889990), (2, 8444995), (5, 3377998), (10, 1688999), (13, 1299230), (26, 649615), (65, 259846), (130, 129923), (173, 97630), (346, 48815), (751, 22490), (865, 19526), (1502, 11245), (1730, 9763), (2249, 7510), (3755, 4498)]