19721772

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1412

約数の個数: 96

約数和(自身を含む): 61555200

約数和(自身を除く): 41833428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1373, 1596, 2052, 2394, 2746, 3591, 4119, 4788, 5492, 7182, 8238, 9611, 12357, 14364, 16476, 19222, 24714, 26087, 28833, 37071, 38444, 49428, 52174, 57666, 74142, 78261, 86499, 104348, 115332, 148284, 156522, 172998, 182609, 234783, 259497, 313044, 345996, 365218, 469566, 518994, 547827, 704349, 730436, 939132, 1037988, 1095654, 1408698, 1643481, 2191308, 2817396, 3286962, 4930443, 6573924, 9860886, 19721772]

約数ペア:

[(1, 19721772), (2, 9860886), (3, 6573924), (4, 4930443), (6, 3286962), (7, 2817396), (9, 2191308), (12, 1643481), (14, 1408698), (18, 1095654), (19, 1037988), (21, 939132), (27, 730436), (28, 704349), (36, 547827), (38, 518994), (42, 469566), (54, 365218), (57, 345996), (63, 313044), (76, 259497), (84, 234783), (108, 182609), (114, 172998), (126, 156522), (133, 148284), (171, 115332), (189, 104348), (228, 86499), (252, 78261), (266, 74142), (342, 57666), (378, 52174), (399, 49428), (513, 38444), (532, 37071), (684, 28833), (756, 26087), (798, 24714), (1026, 19222), (1197, 16476), (1373, 14364), (1596, 12357), (2052, 9611), (2394, 8238), (2746, 7182), (3591, 5492), (4119, 4788)]