19328500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 46126080

約数和(自身を除く): 26797580

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 43, 50, 58, 62, 86, 100, 116, 124, 125, 145, 155, 172, 215, 250, 290, 310, 430, 500, 580, 620, 725, 775, 860, 899, 1075, 1247, 1333, 1450, 1550, 1798, 2150, 2494, 2666, 2900, 3100, 3596, 3625, 3875, 4300, 4495, 4988, 5332, 5375, 6235, 6665, 7250, 7750, 8990, 10750, 12470, 13330, 14500, 15500, 17980, 21500, 22475, 24940, 26660, 31175, 33325, 38657, 44950, 62350, 66650, 77314, 89900, 112375, 124700, 133300, 154628, 155875, 166625, 193285, 224750, 311750, 333250, 386570, 449500, 623500, 666500, 773140, 966425, 1932850, 3865700, 4832125, 9664250, 19328500]

約数ペア:

[(1, 19328500), (2, 9664250), (4, 4832125), (5, 3865700), (10, 1932850), (20, 966425), (25, 773140), (29, 666500), (31, 623500), (43, 449500), (50, 386570), (58, 333250), (62, 311750), (86, 224750), (100, 193285), (116, 166625), (124, 155875), (125, 154628), (145, 133300), (155, 124700), (172, 112375), (215, 89900), (250, 77314), (290, 66650), (310, 62350), (430, 44950), (500, 38657), (580, 33325), (620, 31175), (725, 26660), (775, 24940), (860, 22475), (899, 21500), (1075, 17980), (1247, 15500), (1333, 14500), (1450, 13330), (1550, 12470), (1798, 10750), (2150, 8990), (2494, 7750), (2666, 7250), (2900, 6665), (3100, 6235), (3596, 5375), (3625, 5332), (3875, 4988), (4300, 4495)]