19553128

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 30213272

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 23, 28, 34, 38, 46, 47, 56, 68, 76, 92, 94, 119, 133, 136, 152, 161, 184, 188, 238, 266, 322, 323, 329, 376, 391, 437, 476, 532, 644, 646, 658, 782, 799, 874, 893, 952, 1064, 1081, 1288, 1292, 1316, 1564, 1598, 1748, 1786, 2162, 2261, 2584, 2632, 2737, 3059, 3128, 3196, 3496, 3572, 4324, 4522, 5474, 5593, 6118, 6251, 6392, 7144, 7429, 7567, 8648, 9044, 10948, 11186, 12236, 12502, 14858, 15134, 15181, 18088, 18377, 20539, 21896, 22372, 24472, 25004, 29716, 30268, 30362, 36754, 41078, 44744, 50008, 52003, 59432, 60536, 60724, 73508, 82156, 104006, 106267, 121448, 128639, 143773, 147016, 164312, 208012, 212534, 257278, 287546, 349163, 416024, 425068, 514556, 575092, 698326, 850136, 1029112, 1150184, 1396652, 2444141, 2793304, 4888282, 9776564, 19553128]

約数ペア:

[(1, 19553128), (2, 9776564), (4, 4888282), (7, 2793304), (8, 2444141), (14, 1396652), (17, 1150184), (19, 1029112), (23, 850136), (28, 698326), (34, 575092), (38, 514556), (46, 425068), (47, 416024), (56, 349163), (68, 287546), (76, 257278), (92, 212534), (94, 208012), (119, 164312), (133, 147016), (136, 143773), (152, 128639), (161, 121448), (184, 106267), (188, 104006), (238, 82156), (266, 73508), (322, 60724), (323, 60536), (329, 59432), (376, 52003), (391, 50008), (437, 44744), (476, 41078), (532, 36754), (644, 30362), (646, 30268), (658, 29716), (782, 25004), (799, 24472), (874, 22372), (893, 21896), (952, 20539), (1064, 18377), (1081, 18088), (1288, 15181), (1292, 15134), (1316, 14858), (1564, 12502), (1598, 12236), (1748, 11186), (1786, 10948), (2162, 9044), (2261, 8648), (2584, 7567), (2632, 7429), (2737, 7144), (3059, 6392), (3128, 6251), (3196, 6118), (3496, 5593), (3572, 5474), (4324, 4522)]