18996614

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 72

約数和(自身を含む): 38052288

約数和(自身を除く): 19055674

約数列:

[1, 2, 7, 13, 14, 26, 31, 37, 49, 62, 74, 91, 98, 169, 182, 217, 259, 338, 403, 434, 481, 518, 637, 806, 962, 1147, 1183, 1274, 1519, 1813, 2294, 2366, 2821, 3038, 3367, 3626, 5239, 5642, 6253, 6734, 8029, 8281, 10478, 12506, 14911, 16058, 16562, 19747, 23569, 29822, 36673, 39494, 43771, 47138, 56203, 73346, 87542, 104377, 112406, 193843, 208754, 256711, 306397, 387686, 513422, 612794, 730639, 1356901, 1461278, 2713802, 9498307, 18996614]

約数ペア:

[(1, 18996614), (2, 9498307), (7, 2713802), (13, 1461278), (14, 1356901), (26, 730639), (31, 612794), (37, 513422), (49, 387686), (62, 306397), (74, 256711), (91, 208754), (98, 193843), (169, 112406), (182, 104377), (217, 87542), (259, 73346), (338, 56203), (403, 47138), (434, 43771), (481, 39494), (518, 36673), (637, 29822), (806, 23569), (962, 19747), (1147, 16562), (1183, 16058), (1274, 14911), (1519, 12506), (1813, 10478), (2294, 8281), (2366, 8029), (2821, 6734), (3038, 6253), (3367, 5642), (3626, 5239)]