19110720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1208

約数の個数: 112

約数和(自身を含む): 64300608

約数和(自身を除く): 45189888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1171, 1360, 1632, 2040, 2342, 2720, 3264, 3513, 4080, 4684, 5440, 5855, 7026, 8160, 9368, 11710, 14052, 16320, 17565, 18736, 19907, 23420, 28104, 35130, 37472, 39814, 46840, 56208, 59721, 70260, 74944, 79628, 93680, 99535, 112416, 119442, 140520, 159256, 187360, 199070, 224832, 238884, 281040, 298605, 318512, 374720, 398140, 477768, 562080, 597210, 637024, 796280, 955536, 1124160, 1194420, 1274048, 1592560, 1911072, 2388840, 3185120, 3822144, 4777680, 6370240, 9555360, 19110720]

約数ペア:

[(1, 19110720), (2, 9555360), (3, 6370240), (4, 4777680), (5, 3822144), (6, 3185120), (8, 2388840), (10, 1911072), (12, 1592560), (15, 1274048), (16, 1194420), (17, 1124160), (20, 955536), (24, 796280), (30, 637024), (32, 597210), (34, 562080), (40, 477768), (48, 398140), (51, 374720), (60, 318512), (64, 298605), (68, 281040), (80, 238884), (85, 224832), (96, 199070), (102, 187360), (120, 159256), (136, 140520), (160, 119442), (170, 112416), (192, 99535), (204, 93680), (240, 79628), (255, 74944), (272, 70260), (320, 59721), (340, 56208), (408, 46840), (480, 39814), (510, 37472), (544, 35130), (680, 28104), (816, 23420), (960, 19907), (1020, 18736), (1088, 17565), (1171, 16320), (1360, 14052), (1632, 11710), (2040, 9368), (2342, 8160), (2720, 7026), (3264, 5855), (3513, 5440), (4080, 4684)]