19246890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2903}}^1$

素因数の和:2943

約数の個数: 64

約数和(自身を含む): 52690176

約数和(自身を除く): 33443286

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 2903, 3315, 5806, 6630, 8709, 14515, 17418, 29030, 37739, 43545, 49351, 75478, 87090, 98702, 113217, 148053, 188695, 226434, 246755, 296106, 377390, 493510, 566085, 641563, 740265, 1132170, 1283126, 1480530, 1924689, 3207815, 3849378, 6415630, 9623445, 19246890]

約数ペア:

[(1, 19246890), (2, 9623445), (3, 6415630), (5, 3849378), (6, 3207815), (10, 1924689), (13, 1480530), (15, 1283126), (17, 1132170), (26, 740265), (30, 641563), (34, 566085), (39, 493510), (51, 377390), (65, 296106), (78, 246755), (85, 226434), (102, 188695), (130, 148053), (170, 113217), (195, 98702), (221, 87090), (255, 75478), (390, 49351), (442, 43545), (510, 37739), (663, 29030), (1105, 17418), (1326, 14515), (2210, 8709), (2903, 6630), (3315, 5806)]