218980168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{130969}}^1$

素因数の和:131005

約数の個数: 32

約数和(自身を含む): 471492000

約数和(自身を除く): 252511832

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 130969, 261938, 523876, 1047752, 1440659, 2488411, 2881318, 4976822, 5762636, 9953644, 11525272, 19907288, 27372521, 54745042, 109490084, 218980168]

約数ペア:

[(1, 218980168), (2, 109490084), (4, 54745042), (8, 27372521), (11, 19907288), (19, 11525272), (22, 9953644), (38, 5762636), (44, 4976822), (76, 2881318), (88, 2488411), (152, 1440659), (209, 1047752), (418, 523876), (836, 261938), (1672, 130969)]