19279635

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15556845

約数列:

[1, 3, 5, 15, 23, 29, 41, 47, 69, 87, 115, 123, 141, 145, 205, 235, 345, 435, 615, 667, 705, 943, 1081, 1189, 1363, 1927, 2001, 2829, 3243, 3335, 3567, 4089, 4715, 5405, 5781, 5945, 6815, 9635, 10005, 14145, 16215, 17835, 20445, 27347, 28905, 31349, 44321, 55883, 82041, 94047, 132963, 136735, 156745, 167649, 221605, 279415, 410205, 470235, 664815, 838245, 1285309, 3855927, 6426545, 19279635]

約数ペア:

[(1, 19279635), (3, 6426545), (5, 3855927), (15, 1285309), (23, 838245), (29, 664815), (41, 470235), (47, 410205), (69, 279415), (87, 221605), (115, 167649), (123, 156745), (141, 136735), (145, 132963), (205, 94047), (235, 82041), (345, 55883), (435, 44321), (615, 31349), (667, 28905), (705, 27347), (943, 20445), (1081, 17835), (1189, 16215), (1363, 14145), (1927, 10005), (2001, 9635), (2829, 6815), (3243, 5945), (3335, 5781), (3567, 5405), (4089, 4715)]