18807330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 47755008

約数和(自身を除く): 28947678

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 97, 115, 138, 194, 230, 281, 291, 345, 485, 562, 582, 690, 843, 970, 1405, 1455, 1686, 2231, 2810, 2910, 4215, 4462, 6463, 6693, 8430, 11155, 12926, 13386, 19389, 22310, 27257, 32315, 33465, 38778, 54514, 64630, 66930, 81771, 96945, 136285, 163542, 193890, 272570, 408855, 626911, 817710, 1253822, 1880733, 3134555, 3761466, 6269110, 9403665, 18807330]

約数ペア:

[(1, 18807330), (2, 9403665), (3, 6269110), (5, 3761466), (6, 3134555), (10, 1880733), (15, 1253822), (23, 817710), (30, 626911), (46, 408855), (69, 272570), (97, 193890), (115, 163542), (138, 136285), (194, 96945), (230, 81771), (281, 66930), (291, 64630), (345, 54514), (485, 38778), (562, 33465), (582, 32315), (690, 27257), (843, 22310), (970, 19389), (1405, 13386), (1455, 12926), (1686, 11155), (2231, 8430), (2810, 6693), (2910, 6463), (4215, 4462)]