18396975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 32997888

約数和(自身を除く): 14600913

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 307, 425, 705, 799, 921, 1175, 1275, 1535, 2397, 3525, 3995, 4605, 5219, 7675, 11985, 14429, 15657, 19975, 23025, 26095, 43287, 59925, 72145, 78285, 130475, 216435, 245293, 360725, 391425, 735879, 1082175, 1226465, 3679395, 6132325, 18396975]

約数ペア:

[(1, 18396975), (3, 6132325), (5, 3679395), (15, 1226465), (17, 1082175), (25, 735879), (47, 391425), (51, 360725), (75, 245293), (85, 216435), (141, 130475), (235, 78285), (255, 72145), (307, 59925), (425, 43287), (705, 26095), (799, 23025), (921, 19975), (1175, 15657), (1275, 14429), (1535, 11985), (2397, 7675), (3525, 5219), (3995, 4605)]