18041478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 44900352

約数和(自身を除く): 26858874

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 173, 182, 191, 273, 346, 382, 519, 546, 573, 1038, 1146, 1211, 1337, 2249, 2422, 2483, 2674, 3633, 4011, 4498, 4966, 6747, 7266, 7449, 8022, 13494, 14898, 15743, 17381, 31486, 33043, 34762, 47229, 52143, 66086, 94458, 99129, 104286, 198258, 231301, 429559, 462602, 693903, 859118, 1288677, 1387806, 2577354, 3006913, 6013826, 9020739, 18041478]

約数ペア:

[(1, 18041478), (2, 9020739), (3, 6013826), (6, 3006913), (7, 2577354), (13, 1387806), (14, 1288677), (21, 859118), (26, 693903), (39, 462602), (42, 429559), (78, 231301), (91, 198258), (173, 104286), (182, 99129), (191, 94458), (273, 66086), (346, 52143), (382, 47229), (519, 34762), (546, 33043), (573, 31486), (1038, 17381), (1146, 15743), (1211, 14898), (1337, 13494), (2249, 8022), (2422, 7449), (2483, 7266), (2674, 6747), (3633, 4966), (4011, 4498)]