19545680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 59996160

約数和(自身を除く): 40450480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 167, 176, 190, 209, 220, 266, 280, 304, 308, 334, 380, 385, 418, 440, 532, 560, 616, 665, 668, 760, 770, 835, 836, 880, 1045, 1064, 1169, 1232, 1330, 1336, 1463, 1520, 1540, 1670, 1672, 1837, 2090, 2128, 2338, 2660, 2672, 2926, 3080, 3173, 3340, 3344, 3674, 4180, 4676, 5320, 5845, 5852, 6160, 6346, 6680, 7315, 7348, 8360, 9185, 9352, 10640, 11690, 11704, 12692, 12859, 13360, 14630, 14696, 15865, 16720, 18370, 18704, 22211, 23380, 23408, 25384, 25718, 29260, 29392, 31730, 34903, 36740, 44422, 46760, 50768, 51436, 58520, 63460, 64295, 69806, 73480, 88844, 93520, 102872, 111055, 117040, 126920, 128590, 139612, 146960, 174515, 177688, 205744, 222110, 244321, 253840, 257180, 279224, 349030, 355376, 444220, 488642, 514360, 558448, 698060, 888440, 977284, 1028720, 1221605, 1396120, 1776880, 1954568, 2443210, 2792240, 3909136, 4886420, 9772840, 19545680]

約数ペア:

[(1, 19545680), (2, 9772840), (4, 4886420), (5, 3909136), (7, 2792240), (8, 2443210), (10, 1954568), (11, 1776880), (14, 1396120), (16, 1221605), (19, 1028720), (20, 977284), (22, 888440), (28, 698060), (35, 558448), (38, 514360), (40, 488642), (44, 444220), (55, 355376), (56, 349030), (70, 279224), (76, 257180), (77, 253840), (80, 244321), (88, 222110), (95, 205744), (110, 177688), (112, 174515), (133, 146960), (140, 139612), (152, 128590), (154, 126920), (167, 117040), (176, 111055), (190, 102872), (209, 93520), (220, 88844), (266, 73480), (280, 69806), (304, 64295), (308, 63460), (334, 58520), (380, 51436), (385, 50768), (418, 46760), (440, 44422), (532, 36740), (560, 34903), (616, 31730), (665, 29392), (668, 29260), (760, 25718), (770, 25384), (835, 23408), (836, 23380), (880, 22211), (1045, 18704), (1064, 18370), (1169, 16720), (1232, 15865), (1330, 14696), (1336, 14630), (1463, 13360), (1520, 12859), (1540, 12692), (1670, 11704), (1672, 11690), (1837, 10640), (2090, 9352), (2128, 9185), (2338, 8360), (2660, 7348), (2672, 7315), (2926, 6680), (3080, 6346), (3173, 6160), (3340, 5852), (3344, 5845), (3674, 5320), (4180, 4676)]