18500768

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1$

素因数の和:358

約数の個数: 72

約数和(自身を含む): 43164576

約数和(自身を除く): 24663808

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 208, 286, 311, 338, 352, 416, 572, 622, 676, 1144, 1244, 1352, 1859, 2288, 2488, 2704, 3421, 3718, 4043, 4576, 4976, 5408, 6842, 7436, 8086, 9952, 13684, 14872, 16172, 27368, 29744, 32344, 44473, 52559, 54736, 59488, 64688, 88946, 105118, 109472, 129376, 177892, 210236, 355784, 420472, 578149, 711568, 840944, 1156298, 1423136, 1681888, 2312596, 4625192, 9250384, 18500768]

約数ペア:

[(1, 18500768), (2, 9250384), (4, 4625192), (8, 2312596), (11, 1681888), (13, 1423136), (16, 1156298), (22, 840944), (26, 711568), (32, 578149), (44, 420472), (52, 355784), (88, 210236), (104, 177892), (143, 129376), (169, 109472), (176, 105118), (208, 88946), (286, 64688), (311, 59488), (338, 54736), (352, 52559), (416, 44473), (572, 32344), (622, 29744), (676, 27368), (1144, 16172), (1244, 14872), (1352, 13684), (1859, 9952), (2288, 8086), (2488, 7436), (2704, 6842), (3421, 5408), (3718, 4976), (4043, 4576)]