19919532

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 47690720

約数和(自身を除く): 27771188

約数列:

[1, 2, 3, 4, 6, 12, 97, 109, 157, 194, 218, 291, 314, 327, 388, 436, 471, 582, 628, 654, 942, 1164, 1308, 1884, 10573, 15229, 17113, 21146, 30458, 31719, 34226, 42292, 45687, 51339, 60916, 63438, 68452, 91374, 102678, 126876, 182748, 205356, 1659961, 3319922, 4979883, 6639844, 9959766, 19919532]

約数ペア:

[(1, 19919532), (2, 9959766), (3, 6639844), (4, 4979883), (6, 3319922), (12, 1659961), (97, 205356), (109, 182748), (157, 126876), (194, 102678), (218, 91374), (291, 68452), (314, 63438), (327, 60916), (388, 51339), (436, 45687), (471, 42292), (582, 34226), (628, 31719), (654, 30458), (942, 21146), (1164, 17113), (1308, 15229), (1884, 10573)]