19816064

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 22485376

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 64, 92, 106, 127, 128, 184, 212, 254, 368, 424, 508, 736, 848, 1016, 1219, 1472, 1696, 2032, 2438, 2921, 2944, 3392, 4064, 4876, 5842, 6731, 6784, 8128, 9752, 11684, 13462, 16256, 19504, 23368, 26924, 39008, 46736, 53848, 78016, 93472, 107696, 154813, 156032, 186944, 215392, 309626, 373888, 430784, 619252, 861568, 1238504, 2477008, 4954016, 9908032, 19816064]

約数ペア:

[(1, 19816064), (2, 9908032), (4, 4954016), (8, 2477008), (16, 1238504), (23, 861568), (32, 619252), (46, 430784), (53, 373888), (64, 309626), (92, 215392), (106, 186944), (127, 156032), (128, 154813), (184, 107696), (212, 93472), (254, 78016), (368, 53848), (424, 46736), (508, 39008), (736, 26924), (848, 23368), (1016, 19504), (1219, 16256), (1472, 13462), (1696, 11684), (2032, 9752), (2438, 8128), (2921, 6784), (2944, 6731), (3392, 5842), (4064, 4876)]