19441250

素因数分解:

$2^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:276

約数の個数: 40

約数和(自身を含む): 37038144

約数和(自身を除く): 17596894

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 151, 206, 250, 302, 515, 625, 755, 1030, 1250, 1510, 2575, 3775, 5150, 7550, 12875, 15553, 18875, 25750, 31106, 37750, 64375, 77765, 94375, 128750, 155530, 188750, 388825, 777650, 1944125, 3888250, 9720625, 19441250]

約数ペア:

[(1, 19441250), (2, 9720625), (5, 3888250), (10, 1944125), (25, 777650), (50, 388825), (103, 188750), (125, 155530), (151, 128750), (206, 94375), (250, 77765), (302, 64375), (515, 37750), (625, 31106), (755, 25750), (1030, 18875), (1250, 15553), (1510, 12875), (2575, 7550), (3775, 5150)]