19663896

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:773

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 40090344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 49, 56, 69, 84, 92, 98, 138, 147, 161, 168, 184, 196, 276, 294, 322, 392, 483, 552, 588, 644, 727, 966, 1127, 1176, 1288, 1454, 1932, 2181, 2254, 2908, 3381, 3864, 4362, 4508, 5089, 5816, 6762, 8724, 9016, 10178, 13524, 15267, 16721, 17448, 20356, 27048, 30534, 33442, 35623, 40712, 50163, 61068, 66884, 71246, 100326, 106869, 117047, 122136, 133768, 142492, 200652, 213738, 234094, 284984, 351141, 401304, 427476, 468188, 702282, 819329, 854952, 936376, 1404564, 1638658, 2457987, 2809128, 3277316, 4915974, 6554632, 9831948, 19663896]

約数ペア:

[(1, 19663896), (2, 9831948), (3, 6554632), (4, 4915974), (6, 3277316), (7, 2809128), (8, 2457987), (12, 1638658), (14, 1404564), (21, 936376), (23, 854952), (24, 819329), (28, 702282), (42, 468188), (46, 427476), (49, 401304), (56, 351141), (69, 284984), (84, 234094), (92, 213738), (98, 200652), (138, 142492), (147, 133768), (161, 122136), (168, 117047), (184, 106869), (196, 100326), (276, 71246), (294, 66884), (322, 61068), (392, 50163), (483, 40712), (552, 35623), (588, 33442), (644, 30534), (727, 27048), (966, 20356), (1127, 17448), (1176, 16721), (1288, 15267), (1454, 13524), (1932, 10178), (2181, 9016), (2254, 8724), (2908, 6762), (3381, 5816), (3864, 5089), (4362, 4508)]