18667088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{367}}^1$

素因数の和:420

約数の個数: 60

約数和(自身を含む): 42027072

約数和(自身を除く): 23359984

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 289, 367, 374, 578, 734, 748, 1156, 1468, 1496, 2312, 2936, 2992, 3179, 4037, 4624, 5872, 6239, 6358, 8074, 12478, 12716, 16148, 24956, 25432, 32296, 49912, 50864, 64592, 68629, 99824, 106063, 137258, 212126, 274516, 424252, 549032, 848504, 1098064, 1166693, 1697008, 2333386, 4666772, 9333544, 18667088]

約数ペア:

[(1, 18667088), (2, 9333544), (4, 4666772), (8, 2333386), (11, 1697008), (16, 1166693), (17, 1098064), (22, 848504), (34, 549032), (44, 424252), (68, 274516), (88, 212126), (136, 137258), (176, 106063), (187, 99824), (272, 68629), (289, 64592), (367, 50864), (374, 49912), (578, 32296), (734, 25432), (748, 24956), (1156, 16148), (1468, 12716), (1496, 12478), (2312, 8074), (2936, 6358), (2992, 6239), (3179, 5872), (4037, 4624)]