19675188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2513

約数の個数: 72

約数和(自身を含む): 56733768

約数和(自身を除く): 37058580

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2473, 2652, 3978, 4946, 7419, 7956, 9892, 14838, 22257, 29676, 32149, 42041, 44514, 64298, 84082, 89028, 96447, 126123, 128596, 168164, 192894, 252246, 289341, 378369, 385788, 504492, 546533, 578682, 756738, 1093066, 1157364, 1513476, 1639599, 2186132, 3279198, 4918797, 6558396, 9837594, 19675188]

約数ペア:

[(1, 19675188), (2, 9837594), (3, 6558396), (4, 4918797), (6, 3279198), (9, 2186132), (12, 1639599), (13, 1513476), (17, 1157364), (18, 1093066), (26, 756738), (34, 578682), (36, 546533), (39, 504492), (51, 385788), (52, 378369), (68, 289341), (78, 252246), (102, 192894), (117, 168164), (153, 128596), (156, 126123), (204, 96447), (221, 89028), (234, 84082), (306, 64298), (442, 44514), (468, 42041), (612, 32149), (663, 29676), (884, 22257), (1326, 14838), (1989, 9892), (2473, 7956), (2652, 7419), (3978, 4946)]