19280016

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:669

約数の個数: 120

約数和(自身を含む): 63757824

約数和(自身を除く): 44477808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 617, 651, 744, 868, 1008, 1116, 1234, 1302, 1488, 1736, 1851, 1953, 2232, 2468, 2604, 3472, 3702, 3906, 4319, 4464, 4936, 5208, 5553, 7404, 7812, 8638, 9872, 10416, 11106, 12957, 14808, 15624, 17276, 19127, 22212, 25914, 29616, 31248, 34552, 38254, 38871, 44424, 51828, 57381, 69104, 76508, 77742, 88848, 103656, 114762, 133889, 153016, 155484, 172143, 207312, 229524, 267778, 306032, 310968, 344286, 401667, 459048, 535556, 621936, 688572, 803334, 918096, 1071112, 1205001, 1377144, 1606668, 2142224, 2410002, 2754288, 3213336, 4820004, 6426672, 9640008, 19280016]

約数ペア:

[(1, 19280016), (2, 9640008), (3, 6426672), (4, 4820004), (6, 3213336), (7, 2754288), (8, 2410002), (9, 2142224), (12, 1606668), (14, 1377144), (16, 1205001), (18, 1071112), (21, 918096), (24, 803334), (28, 688572), (31, 621936), (36, 535556), (42, 459048), (48, 401667), (56, 344286), (62, 310968), (63, 306032), (72, 267778), (84, 229524), (93, 207312), (112, 172143), (124, 155484), (126, 153016), (144, 133889), (168, 114762), (186, 103656), (217, 88848), (248, 77742), (252, 76508), (279, 69104), (336, 57381), (372, 51828), (434, 44424), (496, 38871), (504, 38254), (558, 34552), (617, 31248), (651, 29616), (744, 25914), (868, 22212), (1008, 19127), (1116, 17276), (1234, 15624), (1302, 14808), (1488, 12957), (1736, 11106), (1851, 10416), (1953, 9872), (2232, 8638), (2468, 7812), (2604, 7404), (3472, 5553), (3702, 5208), (3906, 4936), (4319, 4464)]