19547570

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 22788430

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 139, 205, 245, 278, 287, 343, 410, 490, 574, 686, 695, 973, 1390, 1435, 1715, 1946, 2009, 2870, 3430, 4018, 4865, 5699, 6811, 9730, 10045, 11398, 13622, 14063, 20090, 28126, 28495, 34055, 39893, 47677, 56990, 68110, 70315, 79786, 95354, 140630, 199465, 238385, 279251, 398930, 476770, 558502, 1396255, 1954757, 2792510, 3909514, 9773785, 19547570]

約数ペア:

[(1, 19547570), (2, 9773785), (5, 3909514), (7, 2792510), (10, 1954757), (14, 1396255), (35, 558502), (41, 476770), (49, 398930), (70, 279251), (82, 238385), (98, 199465), (139, 140630), (205, 95354), (245, 79786), (278, 70315), (287, 68110), (343, 56990), (410, 47677), (490, 39893), (574, 34055), (686, 28495), (695, 28126), (973, 20090), (1390, 14063), (1435, 13622), (1715, 11398), (1946, 10045), (2009, 9730), (2870, 6811), (3430, 5699), (4018, 4865)]