19526220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15497}}^1$

素因数の和:15519

約数の個数: 72

約数和(自身を含む): 67695264

約数和(自身を除く): 48169044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15497, 30994, 46491, 61988, 77485, 92982, 108479, 139473, 154970, 185964, 216958, 232455, 278946, 309940, 325437, 433916, 464910, 542395, 557892, 650874, 697365, 929820, 976311, 1084790, 1301748, 1394730, 1627185, 1952622, 2169580, 2789460, 3254370, 3905244, 4881555, 6508740, 9763110, 19526220]

約数ペア:

[(1, 19526220), (2, 9763110), (3, 6508740), (4, 4881555), (5, 3905244), (6, 3254370), (7, 2789460), (9, 2169580), (10, 1952622), (12, 1627185), (14, 1394730), (15, 1301748), (18, 1084790), (20, 976311), (21, 929820), (28, 697365), (30, 650874), (35, 557892), (36, 542395), (42, 464910), (45, 433916), (60, 325437), (63, 309940), (70, 278946), (84, 232455), (90, 216958), (105, 185964), (126, 154970), (140, 139473), (180, 108479), (210, 92982), (252, 77485), (315, 61988), (420, 46491), (630, 30994), (1260, 15497)]