18034120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 26317880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 439, 520, 632, 790, 878, 1027, 1580, 1756, 2054, 2195, 3160, 3512, 4108, 4390, 5135, 5707, 8216, 8780, 10270, 11414, 17560, 20540, 22828, 28535, 34681, 41080, 45656, 57070, 69362, 114140, 138724, 173405, 228280, 277448, 346810, 450853, 693620, 901706, 1387240, 1803412, 2254265, 3606824, 4508530, 9017060, 18034120]

約数ペア:

[(1, 18034120), (2, 9017060), (4, 4508530), (5, 3606824), (8, 2254265), (10, 1803412), (13, 1387240), (20, 901706), (26, 693620), (40, 450853), (52, 346810), (65, 277448), (79, 228280), (104, 173405), (130, 138724), (158, 114140), (260, 69362), (316, 57070), (395, 45656), (439, 41080), (520, 34681), (632, 28535), (790, 22828), (878, 20540), (1027, 17560), (1580, 11414), (1756, 10270), (2054, 8780), (2195, 8216), (3160, 5707), (3512, 5135), (4108, 4390)]