18204763888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1\times {\mathrm{3947}}^1$

素因数の和:4550

約数の個数: 80

約数和(自身を含む): 38631527424

約数和(自身を除く): 20426763536

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 547, 1054, 1094, 2108, 2188, 3947, 4216, 4376, 7894, 8432, 8752, 9299, 15788, 16957, 18598, 31576, 33914, 37196, 63152, 67099, 67828, 74392, 122357, 134198, 135656, 148784, 244714, 268396, 271312, 288269, 489428, 536792, 576538, 978856, 1073584, 1153076, 1957712, 2080069, 2159009, 2306152, 4160138, 4318018, 4612304, 8320276, 8636036, 16640552, 17272072, 33281104, 34544144, 36703153, 66929279, 73406306, 133858558, 146812612, 267717116, 293625224, 535434232, 587250448, 1070868464, 1137797743, 2275595486, 4551190972, 9102381944, 18204763888]

約数ペア:

[(1, 18204763888), (2, 9102381944), (4, 4551190972), (8, 2275595486), (16, 1137797743), (17, 1070868464), (31, 587250448), (34, 535434232), (62, 293625224), (68, 267717116), (124, 146812612), (136, 133858558), (248, 73406306), (272, 66929279), (496, 36703153), (527, 34544144), (547, 33281104), (1054, 17272072), (1094, 16640552), (2108, 8636036), (2188, 8320276), (3947, 4612304), (4216, 4318018), (4376, 4160138), (7894, 2306152), (8432, 2159009), (8752, 2080069), (9299, 1957712), (15788, 1153076), (16957, 1073584), (18598, 978856), (31576, 576538), (33914, 536792), (37196, 489428), (63152, 288269), (67099, 271312), (67828, 268396), (74392, 244714), (122357, 148784), (134198, 135656)]