19639950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11903}}^1$

素因数の和:11929

約数の個数: 48

約数和(自身を含む): 53139456

約数和(自身を除く): 33499506

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 11903, 23806, 35709, 59515, 71418, 119030, 130933, 178545, 261866, 297575, 357090, 392799, 595150, 654665, 785598, 892725, 1309330, 1785450, 1963995, 3273325, 3927990, 6546650, 9819975, 19639950]

約数ペア:

[(1, 19639950), (2, 9819975), (3, 6546650), (5, 3927990), (6, 3273325), (10, 1963995), (11, 1785450), (15, 1309330), (22, 892725), (25, 785598), (30, 654665), (33, 595150), (50, 392799), (55, 357090), (66, 297575), (75, 261866), (110, 178545), (150, 130933), (165, 119030), (275, 71418), (330, 59515), (550, 35709), (825, 23806), (1650, 11903)]