19914021

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5659}}^1$

素因数の和:5705

約数の個数: 24

約数和(自身を含む): 31786560

約数和(自身を除く): 11872539

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5659, 16977, 50931, 96203, 130157, 288609, 390471, 865827, 1171413, 2212669, 6638007, 19914021]

約数ペア:

[(1, 19914021), (3, 6638007), (9, 2212669), (17, 1171413), (23, 865827), (51, 390471), (69, 288609), (153, 130157), (207, 96203), (391, 50931), (1173, 16977), (3519, 5659)]