19649484

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 53293968

約数和(自身を除く): 33644484

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 97, 102, 153, 194, 204, 291, 306, 331, 388, 582, 612, 662, 873, 993, 1164, 1324, 1649, 1746, 1986, 2979, 3298, 3492, 3972, 4947, 5627, 5958, 6596, 9894, 11254, 11916, 14841, 16881, 19788, 22508, 29682, 32107, 33762, 50643, 59364, 64214, 67524, 96321, 101286, 128428, 192642, 202572, 288963, 385284, 545819, 577926, 1091638, 1155852, 1637457, 2183276, 3274914, 4912371, 6549828, 9824742, 19649484]

約数ペア:

[(1, 19649484), (2, 9824742), (3, 6549828), (4, 4912371), (6, 3274914), (9, 2183276), (12, 1637457), (17, 1155852), (18, 1091638), (34, 577926), (36, 545819), (51, 385284), (68, 288963), (97, 202572), (102, 192642), (153, 128428), (194, 101286), (204, 96321), (291, 67524), (306, 64214), (331, 59364), (388, 50643), (582, 33762), (612, 32107), (662, 29682), (873, 22508), (993, 19788), (1164, 16881), (1324, 14841), (1649, 11916), (1746, 11254), (1986, 9894), (2979, 6596), (3298, 5958), (3492, 5627), (3972, 4947)]