18492075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 38688000

約数和(自身を除く): 20195925

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 59, 63, 75, 105, 175, 177, 199, 225, 295, 315, 413, 525, 531, 597, 885, 995, 1239, 1393, 1475, 1575, 1791, 2065, 2655, 2985, 3717, 4179, 4425, 4975, 6195, 6965, 8955, 10325, 11741, 12537, 13275, 14925, 18585, 20895, 30975, 34825, 35223, 44775, 58705, 62685, 82187, 92925, 104475, 105669, 176115, 246561, 293525, 313425, 410935, 528345, 739683, 880575, 1232805, 2054675, 2641725, 3698415, 6164025, 18492075]

約数ペア:

[(1, 18492075), (3, 6164025), (5, 3698415), (7, 2641725), (9, 2054675), (15, 1232805), (21, 880575), (25, 739683), (35, 528345), (45, 410935), (59, 313425), (63, 293525), (75, 246561), (105, 176115), (175, 105669), (177, 104475), (199, 92925), (225, 82187), (295, 62685), (315, 58705), (413, 44775), (525, 35223), (531, 34825), (597, 30975), (885, 20895), (995, 18585), (1239, 14925), (1393, 13275), (1475, 12537), (1575, 11741), (1791, 10325), (2065, 8955), (2655, 6965), (2985, 6195), (3717, 4975), (4179, 4425)]