18807912

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2693}}^1$

素因数の和:2802

約数の個数: 48

約数和(自身を含む): 51482340

約数和(自身を除く): 32674428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2693, 3492, 5386, 6984, 8079, 10772, 16158, 21544, 24237, 32316, 48474, 64632, 96948, 193896, 261221, 522442, 783663, 1044884, 1567326, 2089768, 2350989, 3134652, 4701978, 6269304, 9403956, 18807912]

約数ペア:

[(1, 18807912), (2, 9403956), (3, 6269304), (4, 4701978), (6, 3134652), (8, 2350989), (9, 2089768), (12, 1567326), (18, 1044884), (24, 783663), (36, 522442), (72, 261221), (97, 193896), (194, 96948), (291, 64632), (388, 48474), (582, 32316), (776, 24237), (873, 21544), (1164, 16158), (1746, 10772), (2328, 8079), (2693, 6984), (3492, 5386)]