19694360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1956

約数の個数: 64

約数和(自身を含む): 52038720

約数和(自身を除く): 32344360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 1901, 2072, 2590, 3802, 5180, 7604, 9505, 10360, 13307, 15208, 19010, 26614, 38020, 53228, 66535, 70337, 76040, 106456, 133070, 140674, 266140, 281348, 351685, 492359, 532280, 562696, 703370, 984718, 1406740, 1969436, 2461795, 2813480, 3938872, 4923590, 9847180, 19694360]

約数ペア:

[(1, 19694360), (2, 9847180), (4, 4923590), (5, 3938872), (7, 2813480), (8, 2461795), (10, 1969436), (14, 1406740), (20, 984718), (28, 703370), (35, 562696), (37, 532280), (40, 492359), (56, 351685), (70, 281348), (74, 266140), (140, 140674), (148, 133070), (185, 106456), (259, 76040), (280, 70337), (296, 66535), (370, 53228), (518, 38020), (740, 26614), (1036, 19010), (1295, 15208), (1480, 13307), (1901, 10360), (2072, 9505), (2590, 7604), (3802, 5180)]