18588735

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 38025936

約数和(自身を除く): 19437201

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 47, 51, 55, 85, 99, 141, 153, 165, 187, 235, 255, 423, 495, 517, 561, 705, 765, 799, 935, 1551, 1683, 2115, 2209, 2397, 2585, 2805, 3995, 4653, 6627, 7191, 7755, 8415, 8789, 11045, 11985, 19881, 23265, 24299, 26367, 33135, 35955, 37553, 43945, 72897, 79101, 99405, 112659, 121495, 131835, 187765, 218691, 337977, 364485, 395505, 413083, 563295, 1093455, 1239249, 1689885, 2065415, 3717747, 6196245, 18588735]

約数ペア:

[(1, 18588735), (3, 6196245), (5, 3717747), (9, 2065415), (11, 1689885), (15, 1239249), (17, 1093455), (33, 563295), (45, 413083), (47, 395505), (51, 364485), (55, 337977), (85, 218691), (99, 187765), (141, 131835), (153, 121495), (165, 112659), (187, 99405), (235, 79101), (255, 72897), (423, 43945), (495, 37553), (517, 35955), (561, 33135), (705, 26367), (765, 24299), (799, 23265), (935, 19881), (1551, 11985), (1683, 11045), (2115, 8789), (2209, 8415), (2397, 7755), (2585, 7191), (2805, 6627), (3995, 4653)]