19788912

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:100

約数の個数: 180

約数和(自身を含む): 67230072

約数和(自身を除く): 47441160

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 31, 33, 36, 39, 44, 48, 52, 62, 66, 72, 78, 88, 93, 99, 104, 117, 124, 132, 143, 144, 156, 176, 186, 198, 208, 234, 248, 264, 279, 286, 312, 341, 372, 396, 403, 429, 468, 496, 528, 558, 572, 624, 682, 744, 792, 806, 858, 936, 961, 1023, 1116, 1144, 1209, 1287, 1364, 1488, 1584, 1612, 1716, 1872, 1922, 2046, 2232, 2288, 2418, 2574, 2728, 2883, 3069, 3224, 3432, 3627, 3844, 4092, 4433, 4464, 4836, 5148, 5456, 5766, 6138, 6448, 6864, 7254, 7688, 8184, 8649, 8866, 9672, 10296, 10571, 11532, 12276, 12493, 13299, 14508, 15376, 16368, 17298, 17732, 19344, 20592, 21142, 23064, 24552, 24986, 26598, 29016, 31713, 34596, 35464, 37479, 39897, 42284, 46128, 49104, 49972, 53196, 58032, 63426, 69192, 70928, 74958, 79794, 84568, 95139, 99944, 106392, 112437, 126852, 137423, 138384, 149916, 159588, 169136, 190278, 199888, 212784, 224874, 253704, 274846, 299832, 319176, 380556, 412269, 449748, 507408, 549692, 599664, 638352, 761112, 824538, 899496, 1099384, 1236807, 1522224, 1649076, 1798992, 2198768, 2473614, 3298152, 4947228, 6596304, 9894456, 19788912]

約数ペア:

[(1, 19788912), (2, 9894456), (3, 6596304), (4, 4947228), (6, 3298152), (8, 2473614), (9, 2198768), (11, 1798992), (12, 1649076), (13, 1522224), (16, 1236807), (18, 1099384), (22, 899496), (24, 824538), (26, 761112), (31, 638352), (33, 599664), (36, 549692), (39, 507408), (44, 449748), (48, 412269), (52, 380556), (62, 319176), (66, 299832), (72, 274846), (78, 253704), (88, 224874), (93, 212784), (99, 199888), (104, 190278), (117, 169136), (124, 159588), (132, 149916), (143, 138384), (144, 137423), (156, 126852), (176, 112437), (186, 106392), (198, 99944), (208, 95139), (234, 84568), (248, 79794), (264, 74958), (279, 70928), (286, 69192), (312, 63426), (341, 58032), (372, 53196), (396, 49972), (403, 49104), (429, 46128), (468, 42284), (496, 39897), (528, 37479), (558, 35464), (572, 34596), (624, 31713), (682, 29016), (744, 26598), (792, 24986), (806, 24552), (858, 23064), (936, 21142), (961, 20592), (1023, 19344), (1116, 17732), (1144, 17298), (1209, 16368), (1287, 15376), (1364, 14508), (1488, 13299), (1584, 12493), (1612, 12276), (1716, 11532), (1872, 10571), (1922, 10296), (2046, 9672), (2232, 8866), (2288, 8649), (2418, 8184), (2574, 7688), (2728, 7254), (2883, 6864), (3069, 6448), (3224, 6138), (3432, 5766), (3627, 5456), (3844, 5148), (4092, 4836), (4433, 4464)]