19875402

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^2\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 45757440

約数和(自身を除く): 25882038

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 383, 558, 766, 837, 961, 1149, 1674, 1922, 2298, 2883, 3447, 5766, 6894, 8649, 10341, 11873, 17298, 20682, 23746, 25947, 35619, 51894, 71238, 106857, 213714, 320571, 368063, 641142, 736126, 1104189, 2208378, 3312567, 6625134, 9937701, 19875402]

約数ペア:

[(1, 19875402), (2, 9937701), (3, 6625134), (6, 3312567), (9, 2208378), (18, 1104189), (27, 736126), (31, 641142), (54, 368063), (62, 320571), (93, 213714), (186, 106857), (279, 71238), (383, 51894), (558, 35619), (766, 25947), (837, 23746), (961, 20682), (1149, 17298), (1674, 11873), (1922, 10341), (2298, 8649), (2883, 6894), (3447, 5766)]