18449790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^2\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 45278352

約数和(自身を除く): 26828562

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 137, 201, 274, 335, 402, 411, 670, 685, 822, 1005, 1370, 2010, 2055, 4110, 4489, 8978, 9179, 13467, 18358, 22445, 26934, 27537, 44890, 45895, 55074, 67335, 91790, 134670, 137685, 275370, 614993, 1229986, 1844979, 3074965, 3689958, 6149930, 9224895, 18449790]

約数ペア:

[(1, 18449790), (2, 9224895), (3, 6149930), (5, 3689958), (6, 3074965), (10, 1844979), (15, 1229986), (30, 614993), (67, 275370), (134, 137685), (137, 134670), (201, 91790), (274, 67335), (335, 55074), (402, 45895), (411, 44890), (670, 27537), (685, 26934), (822, 22445), (1005, 18358), (1370, 13467), (2010, 9179), (2055, 8978), (4110, 4489)]