19825696

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 42977088

約数和(自身を除く): 23151392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 151, 176, 302, 352, 373, 604, 746, 1208, 1492, 1661, 2416, 2984, 3322, 4103, 4832, 5968, 6644, 8206, 11936, 13288, 16412, 26576, 32824, 53152, 56323, 65648, 112646, 131296, 225292, 450584, 619553, 901168, 1239106, 1802336, 2478212, 4956424, 9912848, 19825696]

約数ペア:

[(1, 19825696), (2, 9912848), (4, 4956424), (8, 2478212), (11, 1802336), (16, 1239106), (22, 901168), (32, 619553), (44, 450584), (88, 225292), (151, 131296), (176, 112646), (302, 65648), (352, 56323), (373, 53152), (604, 32824), (746, 26576), (1208, 16412), (1492, 13288), (1661, 11936), (2416, 8206), (2984, 6644), (3322, 5968), (4103, 4832)]