18298618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 31030272

約数和(自身を除く): 12731654

約数列:

[1, 2, 13, 26, 31, 62, 73, 146, 311, 403, 622, 806, 949, 1898, 2263, 4043, 4526, 8086, 9641, 19282, 22703, 29419, 45406, 58838, 125333, 250666, 295139, 590278, 703793, 1407586, 9149309, 18298618]

約数ペア:

[(1, 18298618), (2, 9149309), (13, 1407586), (26, 703793), (31, 590278), (62, 295139), (73, 250666), (146, 125333), (311, 58838), (403, 45406), (622, 29419), (806, 22703), (949, 19282), (1898, 9641), (2263, 8086), (4043, 4526)]