19668105

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 36781056

約数和(自身を除く): 17112951

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 613, 713, 1035, 1395, 1839, 2139, 3065, 3565, 5517, 6417, 9195, 10695, 14099, 19003, 27585, 32085, 42297, 57009, 70495, 95015, 126891, 171027, 211485, 285045, 437069, 634455, 855135, 1311207, 2185345, 3933621, 6556035, 19668105]

約数ペア:

[(1, 19668105), (3, 6556035), (5, 3933621), (9, 2185345), (15, 1311207), (23, 855135), (31, 634455), (45, 437069), (69, 285045), (93, 211485), (115, 171027), (155, 126891), (207, 95015), (279, 70495), (345, 57009), (465, 42297), (613, 32085), (713, 27585), (1035, 19003), (1395, 14099), (1839, 10695), (2139, 9195), (3065, 6417), (3565, 5517)]