19404042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27874038

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 53, 69, 106, 138, 159, 161, 318, 322, 371, 379, 483, 742, 758, 966, 1113, 1137, 1219, 2226, 2274, 2438, 2653, 3657, 5306, 7314, 7959, 8533, 8717, 15918, 17066, 17434, 20087, 25599, 26151, 40174, 51198, 52302, 60261, 61019, 120522, 122038, 140609, 183057, 281218, 366114, 421827, 462001, 843654, 924002, 1386003, 2772006, 3234007, 6468014, 9702021, 19404042]

約数ペア:

[(1, 19404042), (2, 9702021), (3, 6468014), (6, 3234007), (7, 2772006), (14, 1386003), (21, 924002), (23, 843654), (42, 462001), (46, 421827), (53, 366114), (69, 281218), (106, 183057), (138, 140609), (159, 122038), (161, 120522), (318, 61019), (322, 60261), (371, 52302), (379, 51198), (483, 40174), (742, 26151), (758, 25599), (966, 20087), (1113, 17434), (1137, 17066), (1219, 15918), (2226, 8717), (2274, 8533), (2438, 7959), (2653, 7314), (3657, 5306)]