18644950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 37426176

約数和(自身を除く): 18781226

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 115, 155, 230, 310, 523, 575, 713, 775, 1046, 1150, 1426, 1550, 2615, 3565, 5230, 7130, 12029, 13075, 16213, 17825, 24058, 26150, 32426, 35650, 60145, 81065, 120290, 162130, 300725, 372899, 405325, 601450, 745798, 810650, 1864495, 3728990, 9322475, 18644950]

約数ペア:

[(1, 18644950), (2, 9322475), (5, 3728990), (10, 1864495), (23, 810650), (25, 745798), (31, 601450), (46, 405325), (50, 372899), (62, 300725), (115, 162130), (155, 120290), (230, 81065), (310, 60145), (523, 35650), (575, 32426), (713, 26150), (775, 24058), (1046, 17825), (1150, 16213), (1426, 13075), (1550, 12029), (2615, 7130), (3565, 5230)]