19491465

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 37888128

約数和(自身を除く): 18396663

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 345, 483, 735, 805, 1127, 1153, 2415, 3381, 3459, 5635, 5765, 8071, 16905, 17295, 24213, 26519, 40355, 56497, 79557, 121065, 132595, 169491, 185633, 282485, 397785, 556899, 847455, 928165, 1299431, 2784495, 3898293, 6497155, 19491465]

約数ペア:

[(1, 19491465), (3, 6497155), (5, 3898293), (7, 2784495), (15, 1299431), (21, 928165), (23, 847455), (35, 556899), (49, 397785), (69, 282485), (105, 185633), (115, 169491), (147, 132595), (161, 121065), (245, 79557), (345, 56497), (483, 40355), (735, 26519), (805, 24213), (1127, 17295), (1153, 16905), (2415, 8071), (3381, 5765), (3459, 5635)]