201815718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{19751}}^1$

素因数の和:19900

約数の個数: 32

約数和(自身を含む): 438020352

約数和(自身を除く): 236204634

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 3406, 5109, 10218, 19751, 39502, 59253, 118506, 256763, 513526, 770289, 1540578, 2587381, 5174762, 7762143, 15524286, 33635953, 67271906, 100907859, 201815718]

約数ペア:

[(1, 201815718), (2, 100907859), (3, 67271906), (6, 33635953), (13, 15524286), (26, 7762143), (39, 5174762), (78, 2587381), (131, 1540578), (262, 770289), (393, 513526), (786, 256763), (1703, 118506), (3406, 59253), (5109, 39502), (10218, 19751)]