18438758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 12527002

約数列:

[1, 2, 13, 26, 47, 79, 94, 158, 191, 382, 611, 1027, 1222, 2054, 2483, 3713, 4966, 7426, 8977, 15089, 17954, 30178, 48269, 96538, 116701, 196157, 233402, 392314, 709183, 1418366, 9219379, 18438758]

約数ペア:

[(1, 18438758), (2, 9219379), (13, 1418366), (26, 709183), (47, 392314), (79, 233402), (94, 196157), (158, 116701), (191, 96538), (382, 48269), (611, 30178), (1027, 17954), (1222, 15089), (2054, 8977), (2483, 7426), (3713, 4966)]