19735965

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 36953280

約数和(自身を除く): 17217315

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 123, 171, 205, 285, 369, 563, 615, 779, 855, 1689, 1845, 2337, 2815, 3895, 5067, 7011, 8445, 10697, 11685, 23083, 25335, 32091, 35055, 53485, 69249, 96273, 115415, 160455, 207747, 346245, 438577, 481365, 1038735, 1315731, 2192885, 3947193, 6578655, 19735965]

約数ペア:

[(1, 19735965), (3, 6578655), (5, 3947193), (9, 2192885), (15, 1315731), (19, 1038735), (41, 481365), (45, 438577), (57, 346245), (95, 207747), (123, 160455), (171, 115415), (205, 96273), (285, 69249), (369, 53485), (563, 35055), (615, 32091), (779, 25335), (855, 23083), (1689, 11685), (1845, 10697), (2337, 8445), (2815, 7011), (3895, 5067)]