18104320

素因数分解:

$2^{14}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:63

約数の個数: 120

約数和(自身を含む): 49543704

約数和(自身を除く): 31439384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 260, 272, 320, 340, 416, 442, 512, 520, 544, 640, 680, 832, 884, 1024, 1040, 1088, 1105, 1280, 1360, 1664, 1768, 2048, 2080, 2176, 2210, 2560, 2720, 3328, 3536, 4096, 4160, 4352, 4420, 5120, 5440, 6656, 7072, 8192, 8320, 8704, 8840, 10240, 10880, 13312, 14144, 16384, 16640, 17408, 17680, 20480, 21760, 26624, 28288, 33280, 34816, 35360, 40960, 43520, 53248, 56576, 66560, 69632, 70720, 81920, 87040, 106496, 113152, 133120, 139264, 141440, 174080, 212992, 226304, 266240, 278528, 282880, 348160, 452608, 532480, 565760, 696320, 905216, 1064960, 1131520, 1392640, 1810432, 2263040, 3620864, 4526080, 9052160, 18104320]

約数ペア:

[(1, 18104320), (2, 9052160), (4, 4526080), (5, 3620864), (8, 2263040), (10, 1810432), (13, 1392640), (16, 1131520), (17, 1064960), (20, 905216), (26, 696320), (32, 565760), (34, 532480), (40, 452608), (52, 348160), (64, 282880), (65, 278528), (68, 266240), (80, 226304), (85, 212992), (104, 174080), (128, 141440), (130, 139264), (136, 133120), (160, 113152), (170, 106496), (208, 87040), (221, 81920), (256, 70720), (260, 69632), (272, 66560), (320, 56576), (340, 53248), (416, 43520), (442, 40960), (512, 35360), (520, 34816), (544, 33280), (640, 28288), (680, 26624), (832, 21760), (884, 20480), (1024, 17680), (1040, 17408), (1088, 16640), (1105, 16384), (1280, 14144), (1360, 13312), (1664, 10880), (1768, 10240), (2048, 8840), (2080, 8704), (2176, 8320), (2210, 8192), (2560, 7072), (2720, 6656), (3328, 5440), (3536, 5120), (4096, 4420), (4160, 4352)]