18570596

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 39481848

約数和(自身を除く): 20911252

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 61, 68, 74, 121, 122, 148, 187, 242, 244, 374, 407, 484, 629, 671, 748, 814, 1037, 1258, 1342, 1628, 2057, 2074, 2257, 2516, 2684, 4114, 4148, 4477, 4514, 6919, 7381, 8228, 8954, 9028, 11407, 13838, 14762, 17908, 22814, 24827, 27676, 29524, 38369, 45628, 49654, 76109, 76738, 99308, 125477, 152218, 153476, 250954, 273097, 304436, 422059, 501908, 546194, 844118, 1092388, 1688236, 4642649, 9285298, 18570596]

約数ペア:

[(1, 18570596), (2, 9285298), (4, 4642649), (11, 1688236), (17, 1092388), (22, 844118), (34, 546194), (37, 501908), (44, 422059), (61, 304436), (68, 273097), (74, 250954), (121, 153476), (122, 152218), (148, 125477), (187, 99308), (242, 76738), (244, 76109), (374, 49654), (407, 45628), (484, 38369), (629, 29524), (671, 27676), (748, 24827), (814, 22814), (1037, 17908), (1258, 14762), (1342, 13838), (1628, 11407), (2057, 9028), (2074, 8954), (2257, 8228), (2516, 7381), (2684, 6919), (4114, 4514), (4148, 4477)]