19670750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 42052608

約数和(自身を除く): 22381858

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 125, 230, 250, 253, 275, 311, 506, 550, 575, 622, 1150, 1265, 1375, 1555, 2530, 2750, 2875, 3110, 3421, 5750, 6325, 6842, 7153, 7775, 12650, 14306, 15550, 17105, 31625, 34210, 35765, 38875, 63250, 71530, 77750, 78683, 85525, 157366, 171050, 178825, 357650, 393415, 427625, 786830, 855250, 894125, 1788250, 1967075, 3934150, 9835375, 19670750]

約数ペア:

[(1, 19670750), (2, 9835375), (5, 3934150), (10, 1967075), (11, 1788250), (22, 894125), (23, 855250), (25, 786830), (46, 427625), (50, 393415), (55, 357650), (110, 178825), (115, 171050), (125, 157366), (230, 85525), (250, 78683), (253, 77750), (275, 71530), (311, 63250), (506, 38875), (550, 35765), (575, 34210), (622, 31625), (1150, 17105), (1265, 15550), (1375, 14306), (1555, 12650), (2530, 7775), (2750, 7153), (2875, 6842), (3110, 6325), (3421, 5750)]