18383291245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 25360957440

約数和(自身を除く): 6977666195

約数列:

[1, 5, 11, 31, 55, 71, 155, 181, 341, 355, 781, 839, 905, 1705, 1991, 2201, 3905, 4195, 5611, 9229, 9955, 11005, 12851, 24211, 26009, 28055, 46145, 59569, 61721, 64255, 121055, 130045, 141361, 151859, 286099, 297845, 308605, 398381, 655259, 706805, 759295, 1430495, 1670449, 1846639, 1991905, 3276295, 4382191, 4707629, 8352245, 9233195, 10781989, 20313029, 21910955, 23538145, 51783919, 53909945, 101565145, 118601879, 258919595, 334241659, 593009395, 1671208295, 3676658249, 18383291245]

約数ペア:

[(1, 18383291245), (5, 3676658249), (11, 1671208295), (31, 593009395), (55, 334241659), (71, 258919595), (155, 118601879), (181, 101565145), (341, 53909945), (355, 51783919), (781, 23538145), (839, 21910955), (905, 20313029), (1705, 10781989), (1991, 9233195), (2201, 8352245), (3905, 4707629), (4195, 4382191), (5611, 3276295), (9229, 1991905), (9955, 1846639), (11005, 1670449), (12851, 1430495), (24211, 759295), (26009, 706805), (28055, 655259), (46145, 398381), (59569, 308605), (61721, 297845), (64255, 286099), (121055, 151859), (130045, 141361)]