19998534

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 41840640

約数和(自身を除く): 21842106

約数列:

[1, 2, 3, 6, 31, 62, 79, 93, 158, 186, 237, 474, 1361, 2449, 2722, 4083, 4898, 7347, 8166, 14694, 42191, 84382, 107519, 126573, 215038, 253146, 322557, 645114, 3333089, 6666178, 9999267, 19998534]

約数ペア:

[(1, 19998534), (2, 9999267), (3, 6666178), (6, 3333089), (31, 645114), (62, 322557), (79, 253146), (93, 215038), (158, 126573), (186, 107519), (237, 84382), (474, 42191), (1361, 14694), (2449, 8166), (2722, 7347), (4083, 4898)]