19228972

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 43092000

約数和(自身を除く): 23863028

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 49, 58, 68, 98, 116, 119, 196, 199, 203, 238, 398, 406, 476, 493, 796, 812, 833, 986, 1393, 1421, 1666, 1972, 2786, 2842, 3332, 3383, 3451, 5572, 5684, 5771, 6766, 6902, 9751, 11542, 13532, 13804, 19502, 23084, 23681, 24157, 39004, 40397, 47362, 48314, 80794, 94724, 96628, 98107, 161588, 165767, 196214, 282779, 331534, 392428, 565558, 663068, 686749, 1131116, 1373498, 2746996, 4807243, 9614486, 19228972]

約数ペア:

[(1, 19228972), (2, 9614486), (4, 4807243), (7, 2746996), (14, 1373498), (17, 1131116), (28, 686749), (29, 663068), (34, 565558), (49, 392428), (58, 331534), (68, 282779), (98, 196214), (116, 165767), (119, 161588), (196, 98107), (199, 96628), (203, 94724), (238, 80794), (398, 48314), (406, 47362), (476, 40397), (493, 39004), (796, 24157), (812, 23681), (833, 23084), (986, 19502), (1393, 13804), (1421, 13532), (1666, 11542), (1972, 9751), (2786, 6902), (2842, 6766), (3332, 5771), (3383, 5684), (3451, 5572)]