18913792

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 41762952

約数和(自身を除く): 22849160

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 53, 64, 68, 82, 106, 128, 136, 164, 212, 256, 272, 328, 424, 512, 544, 656, 697, 848, 901, 1088, 1312, 1394, 1696, 1802, 2173, 2176, 2624, 2788, 3392, 3604, 4346, 4352, 5248, 5576, 6784, 7208, 8692, 8704, 10496, 11152, 13568, 14416, 17384, 20992, 22304, 27136, 28832, 34768, 36941, 44608, 57664, 69536, 73882, 89216, 115328, 139072, 147764, 178432, 230656, 278144, 295528, 356864, 461312, 556288, 591056, 1112576, 1182112, 2364224, 4728448, 9456896, 18913792]

約数ペア:

[(1, 18913792), (2, 9456896), (4, 4728448), (8, 2364224), (16, 1182112), (17, 1112576), (32, 591056), (34, 556288), (41, 461312), (53, 356864), (64, 295528), (68, 278144), (82, 230656), (106, 178432), (128, 147764), (136, 139072), (164, 115328), (212, 89216), (256, 73882), (272, 69536), (328, 57664), (424, 44608), (512, 36941), (544, 34768), (656, 28832), (697, 27136), (848, 22304), (901, 20992), (1088, 17384), (1312, 14416), (1394, 13568), (1696, 11152), (1802, 10496), (2173, 8704), (2176, 8692), (2624, 7208), (2788, 6784), (3392, 5576), (3604, 5248), (4346, 4352)]