18954496

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 42384384

約数和(自身を除く): 23429888

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 127, 128, 176, 212, 254, 256, 352, 424, 508, 583, 704, 848, 1016, 1166, 1397, 1408, 1696, 2032, 2332, 2794, 2816, 3392, 4064, 4664, 5588, 6731, 6784, 8128, 9328, 11176, 13462, 13568, 16256, 18656, 22352, 26924, 32512, 37312, 44704, 53848, 74041, 74624, 89408, 107696, 148082, 149248, 178816, 215392, 296164, 357632, 430784, 592328, 861568, 1184656, 1723136, 2369312, 4738624, 9477248, 18954496]

約数ペア:

[(1, 18954496), (2, 9477248), (4, 4738624), (8, 2369312), (11, 1723136), (16, 1184656), (22, 861568), (32, 592328), (44, 430784), (53, 357632), (64, 296164), (88, 215392), (106, 178816), (127, 149248), (128, 148082), (176, 107696), (212, 89408), (254, 74624), (256, 74041), (352, 53848), (424, 44704), (508, 37312), (583, 32512), (704, 26924), (848, 22352), (1016, 18656), (1166, 16256), (1397, 13568), (1408, 13462), (1696, 11176), (2032, 9328), (2332, 8128), (2794, 6784), (2816, 6731), (3392, 5588), (4064, 4664)]