18195268

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 41179992

約数和(自身を除く): 22984724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 193, 196, 259, 364, 386, 481, 518, 637, 772, 962, 1036, 1274, 1351, 1813, 1924, 2509, 2548, 2702, 3367, 3626, 5018, 5404, 6734, 7141, 7252, 9457, 10036, 13468, 14282, 17563, 18914, 23569, 28564, 35126, 37828, 47138, 49987, 70252, 92833, 94276, 99974, 122941, 185666, 199948, 245882, 349909, 371332, 491764, 649831, 699818, 1299662, 1399636, 2599324, 4548817, 9097634, 18195268]

約数ペア:

[(1, 18195268), (2, 9097634), (4, 4548817), (7, 2599324), (13, 1399636), (14, 1299662), (26, 699818), (28, 649831), (37, 491764), (49, 371332), (52, 349909), (74, 245882), (91, 199948), (98, 185666), (148, 122941), (182, 99974), (193, 94276), (196, 92833), (259, 70252), (364, 49987), (386, 47138), (481, 37828), (518, 35126), (637, 28564), (772, 23569), (962, 18914), (1036, 17563), (1274, 14282), (1351, 13468), (1813, 10036), (1924, 9457), (2509, 7252), (2548, 7141), (2702, 6734), (3367, 5404), (3626, 5018)]