18219495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 36080640

約数和(自身を除く): 17861145

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 59, 85, 105, 119, 173, 177, 255, 295, 357, 413, 519, 595, 865, 885, 1003, 1211, 1239, 1785, 2065, 2595, 2941, 3009, 3633, 5015, 6055, 6195, 7021, 8823, 10207, 14705, 15045, 18165, 20587, 21063, 30621, 35105, 44115, 51035, 61761, 71449, 102935, 105315, 153105, 173519, 214347, 308805, 357245, 520557, 867595, 1071735, 1214633, 2602785, 3643899, 6073165, 18219495]

約数ペア:

[(1, 18219495), (3, 6073165), (5, 3643899), (7, 2602785), (15, 1214633), (17, 1071735), (21, 867595), (35, 520557), (51, 357245), (59, 308805), (85, 214347), (105, 173519), (119, 153105), (173, 105315), (177, 102935), (255, 71449), (295, 61761), (357, 51035), (413, 44115), (519, 35105), (595, 30621), (865, 21063), (885, 20587), (1003, 18165), (1211, 15045), (1239, 14705), (1785, 10207), (2065, 8823), (2595, 7021), (2941, 6195), (3009, 6055), (3633, 5015)]