19408600

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 46001520

約数和(自身を除く): 26592920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1831, 2120, 2650, 3662, 5300, 7324, 9155, 10600, 14648, 18310, 36620, 45775, 73240, 91550, 97043, 183100, 194086, 366200, 388172, 485215, 776344, 970430, 1940860, 2426075, 3881720, 4852150, 9704300, 19408600]

約数ペア:

[(1, 19408600), (2, 9704300), (4, 4852150), (5, 3881720), (8, 2426075), (10, 1940860), (20, 970430), (25, 776344), (40, 485215), (50, 388172), (53, 366200), (100, 194086), (106, 183100), (200, 97043), (212, 91550), (265, 73240), (424, 45775), (530, 36620), (1060, 18310), (1325, 14648), (1831, 10600), (2120, 9155), (2650, 7324), (3662, 5300)]