19605760

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 108

約数和(自身を含む): 50828148

約数和(自身を除く): 31222388

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 128, 136, 160, 170, 212, 256, 265, 272, 289, 320, 340, 424, 530, 544, 578, 640, 680, 848, 901, 1060, 1088, 1156, 1280, 1360, 1445, 1696, 1802, 2120, 2176, 2312, 2720, 2890, 3392, 3604, 4240, 4352, 4505, 4624, 5440, 5780, 6784, 7208, 8480, 9010, 9248, 10880, 11560, 13568, 14416, 15317, 16960, 18020, 18496, 21760, 23120, 28832, 30634, 33920, 36040, 36992, 46240, 57664, 61268, 67840, 72080, 73984, 76585, 92480, 115328, 122536, 144160, 153170, 184960, 230656, 245072, 288320, 306340, 369920, 490144, 576640, 612680, 980288, 1153280, 1225360, 1960576, 2450720, 3921152, 4901440, 9802880, 19605760]

約数ペア:

[(1, 19605760), (2, 9802880), (4, 4901440), (5, 3921152), (8, 2450720), (10, 1960576), (16, 1225360), (17, 1153280), (20, 980288), (32, 612680), (34, 576640), (40, 490144), (53, 369920), (64, 306340), (68, 288320), (80, 245072), (85, 230656), (106, 184960), (128, 153170), (136, 144160), (160, 122536), (170, 115328), (212, 92480), (256, 76585), (265, 73984), (272, 72080), (289, 67840), (320, 61268), (340, 57664), (424, 46240), (530, 36992), (544, 36040), (578, 33920), (640, 30634), (680, 28832), (848, 23120), (901, 21760), (1060, 18496), (1088, 18020), (1156, 16960), (1280, 15317), (1360, 14416), (1445, 13568), (1696, 11560), (1802, 10880), (2120, 9248), (2176, 9010), (2312, 8480), (2720, 7208), (2890, 6784), (3392, 5780), (3604, 5440), (4240, 4624), (4352, 4505)]