19785690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1151}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 51757056

約数和(自身を除く): 31971366

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 573, 955, 1146, 1151, 1719, 1910, 2302, 2865, 3438, 3453, 5730, 5755, 6906, 8595, 10359, 11510, 17190, 17265, 20718, 34530, 51795, 103590, 219841, 439682, 659523, 1099205, 1319046, 1978569, 2198410, 3297615, 3957138, 6595230, 9892845, 19785690]

約数ペア:

[(1, 19785690), (2, 9892845), (3, 6595230), (5, 3957138), (6, 3297615), (9, 2198410), (10, 1978569), (15, 1319046), (18, 1099205), (30, 659523), (45, 439682), (90, 219841), (191, 103590), (382, 51795), (573, 34530), (955, 20718), (1146, 17265), (1151, 17190), (1719, 11510), (1910, 10359), (2302, 8595), (2865, 6906), (3438, 5755), (3453, 5730)]