40421018

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 71820000

約数和(自身を除く): 31398982

約数列:

[1, 2, 11, 19, 22, 38, 59, 118, 121, 149, 209, 242, 298, 418, 649, 1121, 1298, 1639, 2242, 2299, 2831, 3278, 4598, 5662, 7139, 8791, 12331, 14278, 17582, 18029, 24662, 31141, 36058, 62282, 96701, 135641, 167029, 193402, 271282, 334058, 342551, 685102, 1063711, 1837319, 2127422, 3674638, 20210509, 40421018]

約数ペア:

[(1, 40421018), (2, 20210509), (11, 3674638), (19, 2127422), (22, 1837319), (38, 1063711), (59, 685102), (118, 342551), (121, 334058), (149, 271282), (209, 193402), (242, 167029), (298, 135641), (418, 96701), (649, 62282), (1121, 36058), (1298, 31141), (1639, 24662), (2242, 18029), (2299, 17582), (2831, 14278), (3278, 12331), (4598, 8791), (5662, 7139)]