18013905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 39626496

約数和(自身を除く): 21612591

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 53, 63, 65, 83, 91, 105, 117, 159, 195, 249, 265, 273, 315, 371, 415, 455, 477, 581, 585, 689, 747, 795, 819, 1079, 1113, 1245, 1365, 1743, 1855, 2067, 2385, 2905, 3237, 3339, 3445, 3735, 4095, 4399, 4823, 5229, 5395, 5565, 6201, 7553, 8715, 9711, 10335, 13197, 14469, 16185, 16695, 21995, 22659, 24115, 26145, 30793, 31005, 37765, 39591, 43407, 48555, 57187, 65985, 67977, 72345, 92379, 113295, 153965, 171561, 197955, 217035, 277137, 285935, 339885, 400309, 461895, 514683, 857805, 1200927, 1385685, 2001545, 2573415, 3602781, 6004635, 18013905]

約数ペア:

[(1, 18013905), (3, 6004635), (5, 3602781), (7, 2573415), (9, 2001545), (13, 1385685), (15, 1200927), (21, 857805), (35, 514683), (39, 461895), (45, 400309), (53, 339885), (63, 285935), (65, 277137), (83, 217035), (91, 197955), (105, 171561), (117, 153965), (159, 113295), (195, 92379), (249, 72345), (265, 67977), (273, 65985), (315, 57187), (371, 48555), (415, 43407), (455, 39591), (477, 37765), (581, 31005), (585, 30793), (689, 26145), (747, 24115), (795, 22659), (819, 21995), (1079, 16695), (1113, 16185), (1245, 14469), (1365, 13197), (1743, 10335), (1855, 9711), (2067, 8715), (2385, 7553), (2905, 6201), (3237, 5565), (3339, 5395), (3445, 5229), (3735, 4823), (4095, 4399)]