19489932

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 43409268

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 79, 84, 89, 99, 126, 132, 154, 158, 178, 198, 231, 237, 252, 267, 308, 316, 356, 396, 462, 474, 534, 553, 623, 693, 711, 801, 869, 924, 948, 979, 1068, 1106, 1246, 1386, 1422, 1602, 1659, 1738, 1869, 1958, 2212, 2492, 2607, 2772, 2844, 2937, 3204, 3318, 3476, 3738, 3916, 4977, 5214, 5607, 5874, 6083, 6636, 6853, 7031, 7476, 7821, 8811, 9954, 10428, 11214, 11748, 12166, 13706, 14062, 15642, 17622, 18249, 19908, 20559, 21093, 22428, 24332, 27412, 28124, 31284, 35244, 36498, 41118, 42186, 49217, 54747, 61677, 63279, 72996, 77341, 82236, 84372, 98434, 109494, 123354, 126558, 147651, 154682, 196868, 218988, 232023, 246708, 253116, 295302, 309364, 442953, 464046, 541387, 590604, 696069, 885906, 928092, 1082774, 1392138, 1624161, 1771812, 2165548, 2784276, 3248322, 4872483, 6496644, 9744966, 19489932]

約数ペア:

[(1, 19489932), (2, 9744966), (3, 6496644), (4, 4872483), (6, 3248322), (7, 2784276), (9, 2165548), (11, 1771812), (12, 1624161), (14, 1392138), (18, 1082774), (21, 928092), (22, 885906), (28, 696069), (33, 590604), (36, 541387), (42, 464046), (44, 442953), (63, 309364), (66, 295302), (77, 253116), (79, 246708), (84, 232023), (89, 218988), (99, 196868), (126, 154682), (132, 147651), (154, 126558), (158, 123354), (178, 109494), (198, 98434), (231, 84372), (237, 82236), (252, 77341), (267, 72996), (308, 63279), (316, 61677), (356, 54747), (396, 49217), (462, 42186), (474, 41118), (534, 36498), (553, 35244), (623, 31284), (693, 28124), (711, 27412), (801, 24332), (869, 22428), (924, 21093), (948, 20559), (979, 19908), (1068, 18249), (1106, 17622), (1246, 15642), (1386, 14062), (1422, 13706), (1602, 12166), (1659, 11748), (1738, 11214), (1869, 10428), (1958, 9954), (2212, 8811), (2492, 7821), (2607, 7476), (2772, 7031), (2844, 6853), (2937, 6636), (3204, 6083), (3318, 5874), (3476, 5607), (3738, 5214), (3916, 4977)]