18049180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{131}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 38658312

約数和(自身を除く): 20609132

約数列:

[1, 2, 4, 5, 10, 20, 83, 131, 166, 262, 332, 415, 524, 655, 830, 1310, 1660, 2620, 6889, 10873, 13778, 21746, 27556, 34445, 43492, 54365, 68890, 108730, 137780, 217460, 902459, 1804918, 3609836, 4512295, 9024590, 18049180]

約数ペア:

[(1, 18049180), (2, 9024590), (4, 4512295), (5, 3609836), (10, 1804918), (20, 902459), (83, 217460), (131, 137780), (166, 108730), (262, 68890), (332, 54365), (415, 43492), (524, 34445), (655, 27556), (830, 21746), (1310, 13778), (1660, 10873), (2620, 6889)]