19080540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1579

約数の個数: 72

約数和(自身を含む): 58732128

約数和(自身を除く): 39651588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1493, 2130, 2556, 2986, 3195, 4260, 4479, 5972, 6390, 7465, 8958, 12780, 13437, 14930, 17916, 22395, 26874, 29860, 44790, 53748, 67185, 89580, 106003, 134370, 212006, 268740, 318009, 424012, 530015, 636018, 954027, 1060030, 1272036, 1590045, 1908054, 2120060, 3180090, 3816108, 4770135, 6360180, 9540270, 19080540]

約数ペア:

[(1, 19080540), (2, 9540270), (3, 6360180), (4, 4770135), (5, 3816108), (6, 3180090), (9, 2120060), (10, 1908054), (12, 1590045), (15, 1272036), (18, 1060030), (20, 954027), (30, 636018), (36, 530015), (45, 424012), (60, 318009), (71, 268740), (90, 212006), (142, 134370), (180, 106003), (213, 89580), (284, 67185), (355, 53748), (426, 44790), (639, 29860), (710, 26874), (852, 22395), (1065, 17916), (1278, 14930), (1420, 13437), (1493, 12780), (2130, 8958), (2556, 7465), (2986, 6390), (3195, 5972), (4260, 4479)]