19263088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2561

約数の個数: 40

約数和(自身を含む): 41295968

約数和(自身を除く): 22032880

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2503, 3848, 5006, 7696, 10012, 20024, 32539, 40048, 65078, 92611, 130156, 185222, 260312, 370444, 520624, 740888, 1203943, 1481776, 2407886, 4815772, 9631544, 19263088]

約数ペア:

[(1, 19263088), (2, 9631544), (4, 4815772), (8, 2407886), (13, 1481776), (16, 1203943), (26, 740888), (37, 520624), (52, 370444), (74, 260312), (104, 185222), (148, 130156), (208, 92611), (296, 65078), (481, 40048), (592, 32539), (962, 20024), (1924, 10012), (2503, 7696), (3848, 5006)]