18348320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2797}}^1$

素因数の和:2853

約数の個数: 48

約数和(自身を含む): 44421048

約数和(自身を除く): 26072728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2797, 3280, 5594, 6560, 11188, 13985, 22376, 27970, 44752, 55940, 89504, 111880, 114677, 223760, 229354, 447520, 458708, 573385, 917416, 1146770, 1834832, 2293540, 3669664, 4587080, 9174160, 18348320]

約数ペア:

[(1, 18348320), (2, 9174160), (4, 4587080), (5, 3669664), (8, 2293540), (10, 1834832), (16, 1146770), (20, 917416), (32, 573385), (40, 458708), (41, 447520), (80, 229354), (82, 223760), (160, 114677), (164, 111880), (205, 89504), (328, 55940), (410, 44752), (656, 27970), (820, 22376), (1312, 13985), (1640, 11188), (2797, 6560), (3280, 5594)]