19617972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 51391200

約数和(自身を除く): 31773228

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 59, 66, 118, 121, 132, 177, 229, 236, 242, 354, 363, 458, 484, 649, 687, 708, 726, 916, 1298, 1374, 1452, 1947, 2519, 2596, 2748, 3894, 5038, 7139, 7557, 7788, 10076, 13511, 14278, 15114, 21417, 27022, 27709, 28556, 30228, 40533, 42834, 54044, 55418, 81066, 83127, 85668, 110836, 148621, 162132, 166254, 297242, 332508, 445863, 594484, 891726, 1634831, 1783452, 3269662, 4904493, 6539324, 9808986, 19617972]

約数ペア:

[(1, 19617972), (2, 9808986), (3, 6539324), (4, 4904493), (6, 3269662), (11, 1783452), (12, 1634831), (22, 891726), (33, 594484), (44, 445863), (59, 332508), (66, 297242), (118, 166254), (121, 162132), (132, 148621), (177, 110836), (229, 85668), (236, 83127), (242, 81066), (354, 55418), (363, 54044), (458, 42834), (484, 40533), (649, 30228), (687, 28556), (708, 27709), (726, 27022), (916, 21417), (1298, 15114), (1374, 14278), (1452, 13511), (1947, 10076), (2519, 7788), (2596, 7557), (2748, 7139), (3894, 5038)]