19965204

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{8803}}^1$

素因数の和:8826

約数の個数: 60

約数和(自身を含む): 59655904

約数和(自身を除く): 39690700

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 8803, 17606, 26409, 35212, 52818, 61621, 79227, 105636, 123242, 158454, 184863, 237681, 246484, 316908, 369726, 475362, 554589, 713043, 739452, 950724, 1109178, 1426086, 1663767, 2218356, 2852172, 3327534, 4991301, 6655068, 9982602, 19965204]

約数ペア:

[(1, 19965204), (2, 9982602), (3, 6655068), (4, 4991301), (6, 3327534), (7, 2852172), (9, 2218356), (12, 1663767), (14, 1426086), (18, 1109178), (21, 950724), (27, 739452), (28, 713043), (36, 554589), (42, 475362), (54, 369726), (63, 316908), (81, 246484), (84, 237681), (108, 184863), (126, 158454), (162, 123242), (189, 105636), (252, 79227), (324, 61621), (378, 52818), (567, 35212), (756, 26409), (1134, 17606), (2268, 8803)]