19882764

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 39871476

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 37, 44, 46, 59, 66, 69, 74, 92, 99, 111, 118, 132, 138, 148, 177, 198, 207, 222, 236, 253, 276, 333, 354, 396, 407, 414, 444, 506, 531, 649, 666, 708, 759, 814, 828, 851, 1012, 1062, 1221, 1298, 1332, 1357, 1518, 1628, 1702, 1947, 2124, 2183, 2277, 2442, 2553, 2596, 2714, 3036, 3404, 3663, 3894, 4071, 4366, 4554, 4884, 5106, 5428, 5841, 6549, 7326, 7659, 7788, 8142, 8732, 9108, 9361, 10212, 11682, 12213, 13098, 14652, 14927, 15318, 16284, 18722, 19647, 23364, 24013, 24426, 26196, 28083, 29854, 30636, 37444, 39294, 44781, 48026, 48852, 50209, 56166, 59708, 72039, 78588, 84249, 89562, 96052, 100418, 112332, 134343, 144078, 150627, 168498, 179124, 200836, 216117, 268686, 288156, 301254, 336996, 432234, 451881, 537372, 552299, 602508, 864468, 903762, 1104598, 1656897, 1807524, 2209196, 3313794, 4970691, 6627588, 9941382, 19882764]

約数ペア:

[(1, 19882764), (2, 9941382), (3, 6627588), (4, 4970691), (6, 3313794), (9, 2209196), (11, 1807524), (12, 1656897), (18, 1104598), (22, 903762), (23, 864468), (33, 602508), (36, 552299), (37, 537372), (44, 451881), (46, 432234), (59, 336996), (66, 301254), (69, 288156), (74, 268686), (92, 216117), (99, 200836), (111, 179124), (118, 168498), (132, 150627), (138, 144078), (148, 134343), (177, 112332), (198, 100418), (207, 96052), (222, 89562), (236, 84249), (253, 78588), (276, 72039), (333, 59708), (354, 56166), (396, 50209), (407, 48852), (414, 48026), (444, 44781), (506, 39294), (531, 37444), (649, 30636), (666, 29854), (708, 28083), (759, 26196), (814, 24426), (828, 24013), (851, 23364), (1012, 19647), (1062, 18722), (1221, 16284), (1298, 15318), (1332, 14927), (1357, 14652), (1518, 13098), (1628, 12213), (1702, 11682), (1947, 10212), (2124, 9361), (2183, 9108), (2277, 8732), (2442, 8142), (2553, 7788), (2596, 7659), (2714, 7326), (3036, 6549), (3404, 5841), (3663, 5428), (3894, 5106), (4071, 4884), (4366, 4554)]