19922868

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 63154560

約数和(自身を除く): 43231692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 73, 76, 84, 108, 114, 126, 133, 146, 171, 189, 219, 228, 252, 266, 292, 342, 361, 378, 399, 438, 511, 513, 532, 657, 684, 722, 756, 798, 876, 1022, 1026, 1083, 1197, 1314, 1387, 1444, 1533, 1596, 1971, 2044, 2052, 2166, 2394, 2527, 2628, 2774, 3066, 3249, 3591, 3942, 4161, 4332, 4599, 4788, 5054, 5548, 6132, 6498, 7182, 7581, 7884, 8322, 9198, 9709, 9747, 10108, 12483, 12996, 13797, 14364, 15162, 16644, 18396, 19418, 19494, 22743, 24966, 26353, 27594, 29127, 30324, 37449, 38836, 38988, 45486, 49932, 52706, 55188, 58254, 68229, 74898, 79059, 87381, 90972, 105412, 116508, 136458, 149796, 158118, 174762, 184471, 237177, 262143, 272916, 316236, 349524, 368942, 474354, 524286, 553413, 711531, 737884, 948708, 1048572, 1106826, 1423062, 1660239, 2213652, 2846124, 3320478, 4980717, 6640956, 9961434, 19922868]

約数ペア:

[(1, 19922868), (2, 9961434), (3, 6640956), (4, 4980717), (6, 3320478), (7, 2846124), (9, 2213652), (12, 1660239), (14, 1423062), (18, 1106826), (19, 1048572), (21, 948708), (27, 737884), (28, 711531), (36, 553413), (38, 524286), (42, 474354), (54, 368942), (57, 349524), (63, 316236), (73, 272916), (76, 262143), (84, 237177), (108, 184471), (114, 174762), (126, 158118), (133, 149796), (146, 136458), (171, 116508), (189, 105412), (219, 90972), (228, 87381), (252, 79059), (266, 74898), (292, 68229), (342, 58254), (361, 55188), (378, 52706), (399, 49932), (438, 45486), (511, 38988), (513, 38836), (532, 37449), (657, 30324), (684, 29127), (722, 27594), (756, 26353), (798, 24966), (876, 22743), (1022, 19494), (1026, 19418), (1083, 18396), (1197, 16644), (1314, 15162), (1387, 14364), (1444, 13797), (1533, 12996), (1596, 12483), (1971, 10108), (2044, 9747), (2052, 9709), (2166, 9198), (2394, 8322), (2527, 7884), (2628, 7581), (2774, 7182), (3066, 6498), (3249, 6132), (3591, 5548), (3942, 5054), (4161, 4788), (4332, 4599)]