19754316

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^2\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 54

約数和(自身を含む): 51687636

約数和(自身を除く): 31933320

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 571, 961, 1116, 1142, 1713, 1922, 2284, 2883, 3426, 3844, 5139, 5766, 6852, 8649, 10278, 11532, 17298, 17701, 20556, 34596, 35402, 53103, 70804, 106206, 159309, 212412, 318618, 548731, 637236, 1097462, 1646193, 2194924, 3292386, 4938579, 6584772, 9877158, 19754316]

約数ペア:

[(1, 19754316), (2, 9877158), (3, 6584772), (4, 4938579), (6, 3292386), (9, 2194924), (12, 1646193), (18, 1097462), (31, 637236), (36, 548731), (62, 318618), (93, 212412), (124, 159309), (186, 106206), (279, 70804), (372, 53103), (558, 35402), (571, 34596), (961, 20556), (1116, 17701), (1142, 17298), (1713, 11532), (1922, 10278), (2284, 8649), (2883, 6852), (3426, 5766), (3844, 5139)]