19738278

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 52416000

約数和(自身を除く): 32677722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 139, 147, 161, 207, 278, 294, 322, 343, 414, 417, 441, 483, 686, 834, 882, 966, 973, 1029, 1127, 1251, 1449, 1946, 2058, 2254, 2502, 2898, 2919, 3087, 3197, 3381, 5838, 6174, 6394, 6762, 6811, 7889, 8757, 9591, 10143, 13622, 15778, 17514, 19182, 20286, 20433, 22379, 23667, 28773, 40866, 44758, 47334, 47677, 57546, 61299, 67137, 71001, 95354, 122598, 134274, 142002, 143031, 156653, 201411, 286062, 313306, 402822, 429093, 469959, 858186, 939918, 1096571, 1409877, 2193142, 2819754, 3289713, 6579426, 9869139, 19738278]

約数ペア:

[(1, 19738278), (2, 9869139), (3, 6579426), (6, 3289713), (7, 2819754), (9, 2193142), (14, 1409877), (18, 1096571), (21, 939918), (23, 858186), (42, 469959), (46, 429093), (49, 402822), (63, 313306), (69, 286062), (98, 201411), (126, 156653), (138, 143031), (139, 142002), (147, 134274), (161, 122598), (207, 95354), (278, 71001), (294, 67137), (322, 61299), (343, 57546), (414, 47677), (417, 47334), (441, 44758), (483, 40866), (686, 28773), (834, 23667), (882, 22379), (966, 20433), (973, 20286), (1029, 19182), (1127, 17514), (1251, 15778), (1449, 13622), (1946, 10143), (2058, 9591), (2254, 8757), (2502, 7889), (2898, 6811), (2919, 6762), (3087, 6394), (3197, 6174), (3381, 5838)]