18260890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 35069760

約数和(自身を除く): 16808870

約数列:

[1, 2, 5, 10, 17, 34, 85, 163, 170, 326, 659, 815, 1318, 1630, 2771, 3295, 5542, 6590, 11203, 13855, 22406, 27710, 56015, 107417, 112030, 214834, 537085, 1074170, 1826089, 3652178, 9130445, 18260890]

約数ペア:

[(1, 18260890), (2, 9130445), (5, 3652178), (10, 1826089), (17, 1074170), (34, 537085), (85, 214834), (163, 112030), (170, 107417), (326, 56015), (659, 27710), (815, 22406), (1318, 13855), (1630, 11203), (2771, 6590), (3295, 5542)]