19149800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 46800390

約数和(自身を除く): 27650590

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 181, 184, 200, 230, 362, 460, 529, 575, 724, 905, 920, 1058, 1150, 1448, 1810, 2116, 2300, 2645, 3620, 4163, 4232, 4525, 4600, 5290, 7240, 8326, 9050, 10580, 13225, 16652, 18100, 20815, 21160, 26450, 33304, 36200, 41630, 52900, 83260, 95749, 104075, 105800, 166520, 191498, 208150, 382996, 416300, 478745, 765992, 832600, 957490, 1914980, 2393725, 3829960, 4787450, 9574900, 19149800]

約数ペア:

[(1, 19149800), (2, 9574900), (4, 4787450), (5, 3829960), (8, 2393725), (10, 1914980), (20, 957490), (23, 832600), (25, 765992), (40, 478745), (46, 416300), (50, 382996), (92, 208150), (100, 191498), (115, 166520), (181, 105800), (184, 104075), (200, 95749), (230, 83260), (362, 52900), (460, 41630), (529, 36200), (575, 33304), (724, 26450), (905, 21160), (920, 20815), (1058, 18100), (1150, 16652), (1448, 13225), (1810, 10580), (2116, 9050), (2300, 8326), (2645, 7240), (3620, 5290), (4163, 4600), (4232, 4525)]