19804004792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{55663}}^1$

素因数の和:56004

約数の個数: 64

約数和(自身を含む): 43765263360

約数和(自身を除く): 23961258568

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 311, 572, 622, 1144, 1244, 2488, 3421, 4043, 6842, 8086, 13684, 16172, 27368, 32344, 44473, 55663, 88946, 111326, 177892, 222652, 355784, 445304, 612293, 723619, 1224586, 1447238, 2449172, 2894476, 4898344, 5788952, 7959809, 15919618, 17311193, 31839236, 34622386, 63678472, 69244772, 138489544, 190423123, 225045509, 380846246, 450091018, 761692492, 900182036, 1523384984, 1800364072, 2475500599, 4951001198, 9902002396, 19804004792]

約数ペア:

[(1, 19804004792), (2, 9902002396), (4, 4951001198), (8, 2475500599), (11, 1800364072), (13, 1523384984), (22, 900182036), (26, 761692492), (44, 450091018), (52, 380846246), (88, 225045509), (104, 190423123), (143, 138489544), (286, 69244772), (311, 63678472), (572, 34622386), (622, 31839236), (1144, 17311193), (1244, 15919618), (2488, 7959809), (3421, 5788952), (4043, 4898344), (6842, 2894476), (8086, 2449172), (13684, 1447238), (16172, 1224586), (27368, 723619), (32344, 612293), (44473, 445304), (55663, 355784), (88946, 222652), (111326, 177892)]