18504840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 60341760

約数和(自身を除く): 41836920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 47, 51, 60, 68, 85, 94, 102, 120, 136, 141, 170, 188, 193, 204, 235, 255, 282, 340, 376, 386, 408, 470, 510, 564, 579, 680, 705, 772, 799, 940, 965, 1020, 1128, 1158, 1410, 1544, 1598, 1880, 1930, 2040, 2316, 2397, 2820, 2895, 3196, 3281, 3860, 3995, 4632, 4794, 5640, 5790, 6392, 6562, 7720, 7990, 9071, 9588, 9843, 11580, 11985, 13124, 15980, 16405, 18142, 19176, 19686, 23160, 23970, 26248, 27213, 31960, 32810, 36284, 39372, 45355, 47940, 49215, 54426, 65620, 72568, 78744, 90710, 95880, 98430, 108852, 131240, 136065, 154207, 181420, 196860, 217704, 272130, 308414, 362840, 393720, 462621, 544260, 616828, 771035, 925242, 1088520, 1233656, 1542070, 1850484, 2313105, 3084140, 3700968, 4626210, 6168280, 9252420, 18504840]

約数ペア:

[(1, 18504840), (2, 9252420), (3, 6168280), (4, 4626210), (5, 3700968), (6, 3084140), (8, 2313105), (10, 1850484), (12, 1542070), (15, 1233656), (17, 1088520), (20, 925242), (24, 771035), (30, 616828), (34, 544260), (40, 462621), (47, 393720), (51, 362840), (60, 308414), (68, 272130), (85, 217704), (94, 196860), (102, 181420), (120, 154207), (136, 136065), (141, 131240), (170, 108852), (188, 98430), (193, 95880), (204, 90710), (235, 78744), (255, 72568), (282, 65620), (340, 54426), (376, 49215), (386, 47940), (408, 45355), (470, 39372), (510, 36284), (564, 32810), (579, 31960), (680, 27213), (705, 26248), (772, 23970), (799, 23160), (940, 19686), (965, 19176), (1020, 18142), (1128, 16405), (1158, 15980), (1410, 13124), (1544, 11985), (1598, 11580), (1880, 9843), (1930, 9588), (2040, 9071), (2316, 7990), (2397, 7720), (2820, 6562), (2895, 6392), (3196, 5790), (3281, 5640), (3860, 4794), (3995, 4632)]