19889310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1857

約数の個数: 64

約数和(自身を含む): 55613952

約数和(自身を除く): 35724642

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1787, 1855, 2226, 3574, 3710, 5361, 5565, 8935, 10722, 11130, 12509, 17870, 25018, 26805, 37527, 53610, 62545, 75054, 94711, 125090, 187635, 189422, 284133, 375270, 473555, 568266, 662977, 947110, 1325954, 1420665, 1988931, 2841330, 3314885, 3977862, 6629770, 9944655, 19889310]

約数ペア:

[(1, 19889310), (2, 9944655), (3, 6629770), (5, 3977862), (6, 3314885), (7, 2841330), (10, 1988931), (14, 1420665), (15, 1325954), (21, 947110), (30, 662977), (35, 568266), (42, 473555), (53, 375270), (70, 284133), (105, 189422), (106, 187635), (159, 125090), (210, 94711), (265, 75054), (318, 62545), (371, 53610), (530, 37527), (742, 26805), (795, 25018), (1113, 17870), (1590, 12509), (1787, 11130), (1855, 10722), (2226, 8935), (3574, 5565), (3710, 5361)]