18848880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:623

約数の個数: 120

約数和(自身を含む): 64763712

約数和(自身を除く): 45914832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 557, 564, 705, 720, 752, 846, 940, 1114, 1128, 1410, 1671, 1692, 1880, 2115, 2228, 2256, 2785, 2820, 3342, 3384, 3760, 4230, 4456, 5013, 5570, 5640, 6684, 6768, 8355, 8460, 8912, 10026, 11140, 11280, 13368, 16710, 16920, 20052, 22280, 25065, 26179, 26736, 33420, 33840, 40104, 44560, 50130, 52358, 66840, 78537, 80208, 100260, 104716, 130895, 133680, 157074, 200520, 209432, 235611, 261790, 314148, 392685, 401040, 418864, 471222, 523580, 628296, 785370, 942444, 1047160, 1178055, 1256592, 1570740, 1884888, 2094320, 2356110, 3141480, 3769776, 4712220, 6282960, 9424440, 18848880]

約数ペア:

[(1, 18848880), (2, 9424440), (3, 6282960), (4, 4712220), (5, 3769776), (6, 3141480), (8, 2356110), (9, 2094320), (10, 1884888), (12, 1570740), (15, 1256592), (16, 1178055), (18, 1047160), (20, 942444), (24, 785370), (30, 628296), (36, 523580), (40, 471222), (45, 418864), (47, 401040), (48, 392685), (60, 314148), (72, 261790), (80, 235611), (90, 209432), (94, 200520), (120, 157074), (141, 133680), (144, 130895), (180, 104716), (188, 100260), (235, 80208), (240, 78537), (282, 66840), (360, 52358), (376, 50130), (423, 44560), (470, 40104), (557, 33840), (564, 33420), (705, 26736), (720, 26179), (752, 25065), (846, 22280), (940, 20052), (1114, 16920), (1128, 16710), (1410, 13368), (1671, 11280), (1692, 11140), (1880, 10026), (2115, 8912), (2228, 8460), (2256, 8355), (2785, 6768), (2820, 6684), (3342, 5640), (3384, 5570), (3760, 5013), (4230, 4456)]