19878168

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 33465192

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 83, 102, 136, 166, 204, 249, 332, 408, 498, 587, 664, 996, 1174, 1411, 1761, 1992, 2348, 2822, 3522, 4233, 4696, 5644, 7044, 8466, 9979, 11288, 14088, 16932, 19958, 29937, 33864, 39916, 48721, 59874, 79832, 97442, 119748, 146163, 194884, 239496, 292326, 389768, 584652, 828257, 1169304, 1656514, 2484771, 3313028, 4969542, 6626056, 9939084, 19878168]

約数ペア:

[(1, 19878168), (2, 9939084), (3, 6626056), (4, 4969542), (6, 3313028), (8, 2484771), (12, 1656514), (17, 1169304), (24, 828257), (34, 584652), (51, 389768), (68, 292326), (83, 239496), (102, 194884), (136, 146163), (166, 119748), (204, 97442), (249, 79832), (332, 59874), (408, 48721), (498, 39916), (587, 33864), (664, 29937), (996, 19958), (1174, 16932), (1411, 14088), (1761, 11288), (1992, 9979), (2348, 8466), (2822, 7044), (3522, 5644), (4233, 4696)]