17991246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 44932608

約数和(自身を除く): 26941362

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 83, 91, 166, 182, 249, 273, 397, 498, 546, 581, 794, 1079, 1162, 1191, 1743, 2158, 2382, 2779, 3237, 3486, 5161, 5558, 6474, 7553, 8337, 10322, 15106, 15483, 16674, 22659, 30966, 32951, 36127, 45318, 65902, 72254, 98853, 108381, 197706, 216762, 230657, 428363, 461314, 691971, 856726, 1285089, 1383942, 2570178, 2998541, 5997082, 8995623, 17991246]

約数ペア:

[(1, 17991246), (2, 8995623), (3, 5997082), (6, 2998541), (7, 2570178), (13, 1383942), (14, 1285089), (21, 856726), (26, 691971), (39, 461314), (42, 428363), (78, 230657), (83, 216762), (91, 197706), (166, 108381), (182, 98853), (249, 72254), (273, 65902), (397, 45318), (498, 36127), (546, 32951), (581, 30966), (794, 22659), (1079, 16674), (1162, 15483), (1191, 15106), (1743, 10322), (2158, 8337), (2382, 7553), (2779, 6474), (3237, 5558), (3486, 5161)]