19260054

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:306

約数の個数: 72

約数和(自身を含む): 47305440

約数和(自身を除く): 28045386

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 121, 198, 222, 239, 242, 333, 363, 407, 478, 666, 717, 726, 814, 1089, 1221, 1434, 2151, 2178, 2442, 2629, 3663, 4302, 4477, 5258, 7326, 7887, 8843, 8954, 13431, 15774, 17686, 23661, 26529, 26862, 28919, 40293, 47322, 53058, 57838, 79587, 80586, 86757, 97273, 159174, 173514, 194546, 260271, 291819, 520542, 583638, 875457, 1070003, 1750914, 2140006, 3210009, 6420018, 9630027, 19260054]

約数ペア:

[(1, 19260054), (2, 9630027), (3, 6420018), (6, 3210009), (9, 2140006), (11, 1750914), (18, 1070003), (22, 875457), (33, 583638), (37, 520542), (66, 291819), (74, 260271), (99, 194546), (111, 173514), (121, 159174), (198, 97273), (222, 86757), (239, 80586), (242, 79587), (333, 57838), (363, 53058), (407, 47322), (478, 40293), (666, 28919), (717, 26862), (726, 26529), (814, 23661), (1089, 17686), (1221, 15774), (1434, 13431), (2151, 8954), (2178, 8843), (2442, 7887), (2629, 7326), (3663, 5258), (4302, 4477)]