19288240

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{523}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 45028368

約数和(自身を除く): 25740128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 523, 922, 1046, 1844, 2092, 2305, 2615, 3688, 4184, 4610, 5230, 7376, 8368, 9220, 10460, 18440, 20920, 36880, 41840, 241103, 482206, 964412, 1205515, 1928824, 2411030, 3857648, 4822060, 9644120, 19288240]

約数ペア:

[(1, 19288240), (2, 9644120), (4, 4822060), (5, 3857648), (8, 2411030), (10, 1928824), (16, 1205515), (20, 964412), (40, 482206), (80, 241103), (461, 41840), (523, 36880), (922, 20920), (1046, 18440), (1844, 10460), (2092, 9220), (2305, 8368), (2615, 7376), (3688, 5230), (4184, 4610)]