19429250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 39536640

約数和(自身を除く): 20107390

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 109, 115, 125, 155, 218, 230, 250, 310, 545, 575, 713, 775, 1090, 1150, 1426, 1550, 2507, 2725, 2875, 3379, 3565, 3875, 5014, 5450, 5750, 6758, 7130, 7750, 12535, 13625, 16895, 17825, 25070, 27250, 33790, 35650, 62675, 77717, 84475, 89125, 125350, 155434, 168950, 178250, 313375, 388585, 422375, 626750, 777170, 844750, 1942925, 3885850, 9714625, 19429250]

約数ペア:

[(1, 19429250), (2, 9714625), (5, 3885850), (10, 1942925), (23, 844750), (25, 777170), (31, 626750), (46, 422375), (50, 388585), (62, 313375), (109, 178250), (115, 168950), (125, 155434), (155, 125350), (218, 89125), (230, 84475), (250, 77717), (310, 62675), (545, 35650), (575, 33790), (713, 27250), (775, 25070), (1090, 17825), (1150, 16895), (1426, 13625), (1550, 12535), (2507, 7750), (2725, 7130), (2875, 6758), (3379, 5750), (3565, 5450), (3875, 5014)]