18411190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 40550400

約数和(自身を除く): 22139210

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 109, 127, 133, 190, 218, 254, 266, 545, 635, 665, 763, 889, 1090, 1270, 1330, 1526, 1778, 2071, 2413, 3815, 4142, 4445, 4826, 7630, 8890, 10355, 12065, 13843, 14497, 16891, 20710, 24130, 27686, 28994, 33782, 69215, 72485, 84455, 96901, 138430, 144970, 168910, 193802, 263017, 484505, 526034, 969010, 1315085, 1841119, 2630170, 3682238, 9205595, 18411190]

約数ペア:

[(1, 18411190), (2, 9205595), (5, 3682238), (7, 2630170), (10, 1841119), (14, 1315085), (19, 969010), (35, 526034), (38, 484505), (70, 263017), (95, 193802), (109, 168910), (127, 144970), (133, 138430), (190, 96901), (218, 84455), (254, 72485), (266, 69215), (545, 33782), (635, 28994), (665, 27686), (763, 24130), (889, 20710), (1090, 16891), (1270, 14497), (1330, 13843), (1526, 12065), (1778, 10355), (2071, 8890), (2413, 7630), (3815, 4826), (4142, 4445)]