19932160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:271

約数の個数: 88

約数和(自身を含む): 50847480

約数和(自身を除く): 30915320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 229, 256, 272, 320, 340, 458, 512, 544, 640, 680, 916, 1024, 1088, 1145, 1280, 1360, 1832, 2176, 2290, 2560, 2720, 3664, 3893, 4352, 4580, 5120, 5440, 7328, 7786, 8704, 9160, 10880, 14656, 15572, 17408, 18320, 19465, 21760, 29312, 31144, 36640, 38930, 43520, 58624, 62288, 73280, 77860, 87040, 117248, 124576, 146560, 155720, 234496, 249152, 293120, 311440, 498304, 586240, 622880, 996608, 1172480, 1245760, 1993216, 2491520, 3986432, 4983040, 9966080, 19932160]

約数ペア:

[(1, 19932160), (2, 9966080), (4, 4983040), (5, 3986432), (8, 2491520), (10, 1993216), (16, 1245760), (17, 1172480), (20, 996608), (32, 622880), (34, 586240), (40, 498304), (64, 311440), (68, 293120), (80, 249152), (85, 234496), (128, 155720), (136, 146560), (160, 124576), (170, 117248), (229, 87040), (256, 77860), (272, 73280), (320, 62288), (340, 58624), (458, 43520), (512, 38930), (544, 36640), (640, 31144), (680, 29312), (916, 21760), (1024, 19465), (1088, 18320), (1145, 17408), (1280, 15572), (1360, 14656), (1832, 10880), (2176, 9160), (2290, 8704), (2560, 7786), (2720, 7328), (3664, 5440), (3893, 5120), (4352, 4580)]