19945750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7253}}^1$

素因数の和:7281

約数の個数: 32

約数和(自身を含む): 40738464

約数和(自身を除く): 20792714

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7253, 14506, 36265, 72530, 79783, 159566, 181325, 362650, 398915, 797830, 906625, 1813250, 1994575, 3989150, 9972875, 19945750]

約数ペア:

[(1, 19945750), (2, 9972875), (5, 3989150), (10, 1994575), (11, 1813250), (22, 906625), (25, 797830), (50, 398915), (55, 362650), (110, 181325), (125, 159566), (250, 79783), (275, 72530), (550, 36265), (1375, 14506), (2750, 7253)]