19660112

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11273}}^1$

素因数の和:11390

約数の個数: 20

約数和(自身を含む): 38444340

約数和(自身を除く): 18784228

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11273, 22546, 45092, 90184, 180368, 1228757, 2457514, 4915028, 9830056, 19660112]

約数ペア:

[(1, 19660112), (2, 9830056), (4, 4915028), (8, 2457514), (16, 1228757), (109, 180368), (218, 90184), (436, 45092), (872, 22546), (1744, 11273)]