19645164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 65345280

約数和(自身を除く): 45700116

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 373, 396, 399, 418, 462, 532, 627, 684, 693, 746, 798, 836, 924, 1119, 1197, 1254, 1386, 1463, 1492, 1596, 1881, 2238, 2394, 2508, 2611, 2772, 2926, 3357, 3762, 4103, 4389, 4476, 4788, 5222, 5852, 6714, 7087, 7524, 7833, 8206, 8778, 10444, 12309, 13167, 13428, 14174, 15666, 16412, 17556, 21261, 23499, 24618, 26334, 28348, 28721, 31332, 36927, 42522, 46998, 49236, 49609, 52668, 57442, 63783, 73854, 77957, 85044, 86163, 93996, 99218, 114884, 127566, 147708, 148827, 155914, 172326, 198436, 233871, 255132, 258489, 297654, 311828, 344652, 446481, 467742, 516978, 545699, 595308, 701613, 892962, 935484, 1033956, 1091398, 1403226, 1637097, 1785924, 2182796, 2806452, 3274194, 4911291, 6548388, 9822582, 19645164]

約数ペア:

[(1, 19645164), (2, 9822582), (3, 6548388), (4, 4911291), (6, 3274194), (7, 2806452), (9, 2182796), (11, 1785924), (12, 1637097), (14, 1403226), (18, 1091398), (19, 1033956), (21, 935484), (22, 892962), (28, 701613), (33, 595308), (36, 545699), (38, 516978), (42, 467742), (44, 446481), (57, 344652), (63, 311828), (66, 297654), (76, 258489), (77, 255132), (84, 233871), (99, 198436), (114, 172326), (126, 155914), (132, 148827), (133, 147708), (154, 127566), (171, 114884), (198, 99218), (209, 93996), (228, 86163), (231, 85044), (252, 77957), (266, 73854), (308, 63783), (342, 57442), (373, 52668), (396, 49609), (399, 49236), (418, 46998), (462, 42522), (532, 36927), (627, 31332), (684, 28721), (693, 28348), (746, 26334), (798, 24618), (836, 23499), (924, 21261), (1119, 17556), (1197, 16412), (1254, 15666), (1386, 14174), (1463, 13428), (1492, 13167), (1596, 12309), (1881, 10444), (2238, 8778), (2394, 8206), (2508, 7833), (2611, 7524), (2772, 7087), (2926, 6714), (3357, 5852), (3762, 5222), (4103, 4788), (4389, 4476)]