18206240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8753}}^1$

素因数の和:8781

約数の個数: 48

約数和(自身を含む): 46326168

約数和(自身を除く): 28119928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8753, 17506, 35012, 43765, 70024, 87530, 113789, 140048, 175060, 227578, 280096, 350120, 455156, 568945, 700240, 910312, 1137890, 1400480, 1820624, 2275780, 3641248, 4551560, 9103120, 18206240]

約数ペア:

[(1, 18206240), (2, 9103120), (4, 4551560), (5, 3641248), (8, 2275780), (10, 1820624), (13, 1400480), (16, 1137890), (20, 910312), (26, 700240), (32, 568945), (40, 455156), (52, 350120), (65, 280096), (80, 227578), (104, 175060), (130, 140048), (160, 113789), (208, 87530), (260, 70024), (416, 43765), (520, 35012), (1040, 17506), (2080, 8753)]