19203250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6983}}^1$

素因数の和:7011

約数の個数: 32

約数和(自身を含む): 39222144

約数和(自身を除く): 20018894

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 6983, 13966, 34915, 69830, 76813, 153626, 174575, 349150, 384065, 768130, 872875, 1745750, 1920325, 3840650, 9601625, 19203250]

約数ペア:

[(1, 19203250), (2, 9601625), (5, 3840650), (10, 1920325), (11, 1745750), (22, 872875), (25, 768130), (50, 384065), (55, 349150), (110, 174575), (125, 153626), (250, 76813), (275, 69830), (550, 34915), (1375, 13966), (2750, 6983)]