19676488460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{87041}}^1$

素因数の和:87266

約数の個数: 48

約数和(自身を含む): 42114401280

約数和(自身を除く): 22437912820

約数列:

[1, 2, 4, 5, 10, 20, 89, 127, 178, 254, 356, 445, 508, 635, 890, 1270, 1780, 2540, 11303, 22606, 45212, 56515, 87041, 113030, 174082, 226060, 348164, 435205, 870410, 1740820, 7746649, 11054207, 15493298, 22108414, 30986596, 38733245, 44216828, 55271035, 77466490, 110542070, 154932980, 221084140, 983824423, 1967648846, 3935297692, 4919122115, 9838244230, 19676488460]

約数ペア:

[(1, 19676488460), (2, 9838244230), (4, 4919122115), (5, 3935297692), (10, 1967648846), (20, 983824423), (89, 221084140), (127, 154932980), (178, 110542070), (254, 77466490), (356, 55271035), (445, 44216828), (508, 38733245), (635, 30986596), (890, 22108414), (1270, 15493298), (1780, 11054207), (2540, 7746649), (11303, 1740820), (22606, 870410), (45212, 435205), (56515, 348164), (87041, 226060), (113030, 174082)]