19552990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 37034496

約数和(自身を除く): 17481506

約数列:

[1, 2, 5, 10, 23, 46, 115, 151, 230, 302, 563, 755, 1126, 1510, 2815, 3473, 5630, 6946, 12949, 17365, 25898, 34730, 64745, 85013, 129490, 170026, 425065, 850130, 1955299, 3910598, 9776495, 19552990]

約数ペア:

[(1, 19552990), (2, 9776495), (5, 3910598), (10, 1955299), (23, 850130), (46, 425065), (115, 170026), (151, 129490), (230, 85013), (302, 64745), (563, 34730), (755, 25898), (1126, 17365), (1510, 12949), (2815, 6946), (3473, 5630)]