19695452

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 44470944

約数和(自身を除く): 24775492

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 49, 68, 92, 98, 119, 161, 196, 238, 257, 322, 391, 476, 514, 644, 782, 833, 1028, 1127, 1564, 1666, 1799, 2254, 2737, 3332, 3598, 4369, 4508, 5474, 5911, 7196, 8738, 10948, 11822, 12593, 17476, 19159, 23644, 25186, 30583, 38318, 41377, 50372, 61166, 76636, 82754, 100487, 122332, 165508, 200974, 214081, 289639, 401948, 428162, 579278, 703409, 856324, 1158556, 1406818, 2813636, 4923863, 9847726, 19695452]

約数ペア:

[(1, 19695452), (2, 9847726), (4, 4923863), (7, 2813636), (14, 1406818), (17, 1158556), (23, 856324), (28, 703409), (34, 579278), (46, 428162), (49, 401948), (68, 289639), (92, 214081), (98, 200974), (119, 165508), (161, 122332), (196, 100487), (238, 82754), (257, 76636), (322, 61166), (391, 50372), (476, 41377), (514, 38318), (644, 30583), (782, 25186), (833, 23644), (1028, 19159), (1127, 17476), (1564, 12593), (1666, 11822), (1799, 10948), (2254, 8738), (2737, 7196), (3332, 5911), (3598, 5474), (4369, 4508)]