18741616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68903}}^1$

素因数の和:68928

約数の個数: 20

約数和(自身を含む): 38448432

約数和(自身を除く): 19706816

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68903, 137806, 275612, 551224, 1102448, 1171351, 2342702, 4685404, 9370808, 18741616]

約数ペア:

[(1, 18741616), (2, 9370808), (4, 4685404), (8, 2342702), (16, 1171351), (17, 1102448), (34, 551224), (68, 275612), (136, 137806), (272, 68903)]