19616948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3461}}^1$

素因数の和:3587

約数の個数: 24

約数和(自身を含む): 37320360

約数和(自身を除く): 17703412

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3461, 5668, 6922, 13844, 44993, 89986, 179972, 377249, 754498, 1508996, 4904237, 9808474, 19616948]

約数ペア:

[(1, 19616948), (2, 9808474), (4, 4904237), (13, 1508996), (26, 754498), (52, 377249), (109, 179972), (218, 89986), (436, 44993), (1417, 13844), (2834, 6922), (3461, 5668)]