19989288

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 42218712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 47, 54, 66, 72, 88, 94, 99, 108, 132, 141, 179, 188, 198, 216, 264, 282, 297, 358, 376, 396, 423, 517, 537, 564, 594, 716, 792, 846, 1034, 1074, 1128, 1188, 1269, 1432, 1551, 1611, 1692, 1969, 2068, 2148, 2376, 2538, 3102, 3222, 3384, 3938, 4136, 4296, 4653, 4833, 5076, 5907, 6204, 6444, 7876, 8413, 9306, 9666, 10152, 11814, 12408, 12888, 13959, 15752, 16826, 17721, 18612, 19332, 23628, 25239, 27918, 33652, 35442, 37224, 38664, 47256, 50478, 53163, 55836, 67304, 70884, 75717, 92543, 100956, 106326, 111672, 141768, 151434, 185086, 201912, 212652, 227151, 277629, 302868, 370172, 425304, 454302, 555258, 605736, 740344, 832887, 908604, 1110516, 1665774, 1817208, 2221032, 2498661, 3331548, 4997322, 6663096, 9994644, 19989288]

約数ペア:

[(1, 19989288), (2, 9994644), (3, 6663096), (4, 4997322), (6, 3331548), (8, 2498661), (9, 2221032), (11, 1817208), (12, 1665774), (18, 1110516), (22, 908604), (24, 832887), (27, 740344), (33, 605736), (36, 555258), (44, 454302), (47, 425304), (54, 370172), (66, 302868), (72, 277629), (88, 227151), (94, 212652), (99, 201912), (108, 185086), (132, 151434), (141, 141768), (179, 111672), (188, 106326), (198, 100956), (216, 92543), (264, 75717), (282, 70884), (297, 67304), (358, 55836), (376, 53163), (396, 50478), (423, 47256), (517, 38664), (537, 37224), (564, 35442), (594, 33652), (716, 27918), (792, 25239), (846, 23628), (1034, 19332), (1074, 18612), (1128, 17721), (1188, 16826), (1269, 15752), (1432, 13959), (1551, 12888), (1611, 12408), (1692, 11814), (1969, 10152), (2068, 9666), (2148, 9306), (2376, 8413), (2538, 7876), (3102, 6444), (3222, 6204), (3384, 5907), (3938, 5076), (4136, 4833), (4296, 4653)]