19900996848

素因数分解:

$2^4\times 3^2\times {\mathrm{8447}}^1\times {\mathrm{16361}}^1$

素因数の和:24822

約数の個数: 60

約数和(自身を含む): 55705148928

約数和(自身を除く): 35804152080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 8447, 16361, 16894, 25341, 32722, 33788, 49083, 50682, 65444, 67576, 76023, 98166, 101364, 130888, 135152, 147249, 152046, 196332, 202728, 261776, 294498, 304092, 392664, 405456, 588996, 608184, 785328, 1177992, 1216368, 2355984, 138201367, 276402734, 414604101, 552805468, 829208202, 1105610936, 1243812303, 1658416404, 2211221872, 2487624606, 3316832808, 4975249212, 6633665616, 9950498424, 19900996848]

約数ペア:

[(1, 19900996848), (2, 9950498424), (3, 6633665616), (4, 4975249212), (6, 3316832808), (8, 2487624606), (9, 2211221872), (12, 1658416404), (16, 1243812303), (18, 1105610936), (24, 829208202), (36, 552805468), (48, 414604101), (72, 276402734), (144, 138201367), (8447, 2355984), (16361, 1216368), (16894, 1177992), (25341, 785328), (32722, 608184), (33788, 588996), (49083, 405456), (50682, 392664), (65444, 304092), (67576, 294498), (76023, 261776), (98166, 202728), (101364, 196332), (130888, 152046), (135152, 147249)]