18536556

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 26508948

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 83, 111, 148, 166, 222, 249, 332, 444, 498, 503, 996, 1006, 1509, 2012, 3018, 3071, 6036, 6142, 9213, 12284, 18426, 18611, 36852, 37222, 41749, 55833, 74444, 83498, 111666, 125247, 166996, 223332, 250494, 500988, 1544713, 3089426, 4634139, 6178852, 9268278, 18536556]

約数ペア:

[(1, 18536556), (2, 9268278), (3, 6178852), (4, 4634139), (6, 3089426), (12, 1544713), (37, 500988), (74, 250494), (83, 223332), (111, 166996), (148, 125247), (166, 111666), (222, 83498), (249, 74444), (332, 55833), (444, 41749), (498, 37222), (503, 36852), (996, 18611), (1006, 18426), (1509, 12284), (2012, 9213), (3018, 6142), (3071, 6036)]