22138325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 31747968

約数和(自身を除く): 9609643

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 223, 275, 361, 475, 1045, 1115, 1805, 2453, 3971, 4237, 5225, 5575, 9025, 12265, 19855, 21185, 46607, 61325, 80503, 99275, 105925, 233035, 402515, 885533, 1165175, 2012575, 4427665, 22138325]

約数ペア:

[(1, 22138325), (5, 4427665), (11, 2012575), (19, 1165175), (25, 885533), (55, 402515), (95, 233035), (209, 105925), (223, 99275), (275, 80503), (361, 61325), (475, 46607), (1045, 21185), (1115, 19855), (1805, 12265), (2453, 9025), (3971, 5575), (4237, 5225)]