18270994

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 32457600

約数和(自身を除く): 14186606

約数列:

[1, 2, 7, 14, 41, 82, 139, 229, 278, 287, 458, 574, 973, 1603, 1946, 3206, 5699, 9389, 11398, 18778, 31831, 39893, 63662, 65723, 79786, 131446, 222817, 445634, 1305071, 2610142, 9135497, 18270994]

約数ペア:

[(1, 18270994), (2, 9135497), (7, 2610142), (14, 1305071), (41, 445634), (82, 222817), (139, 131446), (229, 79786), (278, 65723), (287, 63662), (458, 39893), (574, 31831), (973, 18778), (1603, 11398), (1946, 9389), (3206, 5699)]