19604648

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 25738072

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 434, 491, 644, 713, 868, 982, 1288, 1426, 1736, 1964, 2852, 3437, 3928, 4991, 5704, 6874, 9982, 11293, 13748, 15221, 19964, 22586, 27496, 30442, 39928, 45172, 60884, 79051, 90344, 106547, 121768, 158102, 213094, 316204, 350083, 426188, 632408, 700166, 852376, 1400332, 2450581, 2800664, 4901162, 9802324, 19604648]

約数ペア:

[(1, 19604648), (2, 9802324), (4, 4901162), (7, 2800664), (8, 2450581), (14, 1400332), (23, 852376), (28, 700166), (31, 632408), (46, 426188), (56, 350083), (62, 316204), (92, 213094), (124, 158102), (161, 121768), (184, 106547), (217, 90344), (248, 79051), (322, 60884), (434, 45172), (491, 39928), (644, 30442), (713, 27496), (868, 22586), (982, 19964), (1288, 15221), (1426, 13748), (1736, 11293), (1964, 9982), (2852, 6874), (3437, 5704), (3928, 4991)]