19490823

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 33505056

約数和(自身を除く): 14014233

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 99, 111, 153, 187, 313, 333, 407, 561, 629, 939, 1221, 1683, 1887, 2817, 3443, 3663, 5321, 5661, 6919, 10329, 11581, 15963, 20757, 30987, 34743, 47889, 58531, 62271, 104229, 127391, 175593, 196877, 382173, 526779, 590631, 1146519, 1771893, 2165647, 6496941, 19490823]

約数ペア:

[(1, 19490823), (3, 6496941), (9, 2165647), (11, 1771893), (17, 1146519), (33, 590631), (37, 526779), (51, 382173), (99, 196877), (111, 175593), (153, 127391), (187, 104229), (313, 62271), (333, 58531), (407, 47889), (561, 34743), (629, 30987), (939, 20757), (1221, 15963), (1683, 11581), (1887, 10329), (2817, 6919), (3443, 5661), (3663, 5321)]