19691385290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{331}}^1\times {\mathrm{3539}}^1$

素因数の和:3959

約数の個数: 48

約数和(自身を含む): 36450133920

約数和(自身を除く): 16758748630

約数列:

[1, 2, 5, 10, 41, 82, 205, 331, 410, 662, 1655, 1681, 3310, 3362, 3539, 7078, 8405, 13571, 16810, 17695, 27142, 35390, 67855, 135710, 145099, 290198, 556411, 725495, 1112822, 1171409, 1450990, 2342818, 2782055, 5564110, 5857045, 5949059, 11714090, 11898118, 29745295, 48027769, 59490590, 96055538, 240138845, 480277690, 1969138529, 3938277058, 9845692645, 19691385290]

約数ペア:

[(1, 19691385290), (2, 9845692645), (5, 3938277058), (10, 1969138529), (41, 480277690), (82, 240138845), (205, 96055538), (331, 59490590), (410, 48027769), (662, 29745295), (1655, 11898118), (1681, 11714090), (3310, 5949059), (3362, 5857045), (3539, 5564110), (7078, 2782055), (8405, 2342818), (13571, 1450990), (16810, 1171409), (17695, 1112822), (27142, 725495), (35390, 556411), (67855, 290198), (135710, 145099)]