180907208

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 367885980

約数和(自身を除く): 186978772

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 361, 703, 722, 1406, 1444, 1693, 2812, 2888, 3386, 5624, 6772, 13357, 13544, 26714, 32167, 53428, 62641, 64334, 106856, 125282, 128668, 250564, 257336, 501128, 611173, 1190179, 1222346, 2380358, 2444692, 4760716, 4889384, 9521432, 22613401, 45226802, 90453604, 180907208]

約数ペア:

[(1, 180907208), (2, 90453604), (4, 45226802), (8, 22613401), (19, 9521432), (37, 4889384), (38, 4760716), (74, 2444692), (76, 2380358), (148, 1222346), (152, 1190179), (296, 611173), (361, 501128), (703, 257336), (722, 250564), (1406, 128668), (1444, 125282), (1693, 106856), (2812, 64334), (2888, 62641), (3386, 53428), (5624, 32167), (6772, 26714), (13357, 13544)]