19419444

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 58968000

約数和(自身を除く): 39548556

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 29, 33, 36, 38, 44, 57, 58, 66, 76, 87, 89, 99, 114, 116, 132, 171, 174, 178, 198, 209, 228, 261, 267, 319, 342, 348, 356, 396, 418, 522, 534, 551, 627, 638, 684, 801, 836, 957, 979, 1044, 1068, 1102, 1254, 1276, 1602, 1653, 1691, 1881, 1914, 1958, 2204, 2508, 2581, 2871, 2937, 3204, 3306, 3382, 3762, 3828, 3916, 4959, 5073, 5162, 5742, 5874, 6061, 6612, 6764, 7524, 7743, 8811, 9918, 10146, 10324, 11484, 11748, 12122, 15219, 15486, 17622, 18183, 18601, 19836, 20292, 23229, 24244, 28391, 30438, 30972, 35244, 36366, 37202, 46458, 49039, 54549, 55803, 56782, 60876, 72732, 74404, 85173, 92916, 98078, 109098, 111606, 113564, 147117, 167409, 170346, 196156, 218196, 223212, 255519, 294234, 334818, 340692, 441351, 511038, 539429, 588468, 669636, 882702, 1022076, 1078858, 1618287, 1765404, 2157716, 3236574, 4854861, 6473148, 9709722, 19419444]

約数ペア:

[(1, 19419444), (2, 9709722), (3, 6473148), (4, 4854861), (6, 3236574), (9, 2157716), (11, 1765404), (12, 1618287), (18, 1078858), (19, 1022076), (22, 882702), (29, 669636), (33, 588468), (36, 539429), (38, 511038), (44, 441351), (57, 340692), (58, 334818), (66, 294234), (76, 255519), (87, 223212), (89, 218196), (99, 196156), (114, 170346), (116, 167409), (132, 147117), (171, 113564), (174, 111606), (178, 109098), (198, 98078), (209, 92916), (228, 85173), (261, 74404), (267, 72732), (319, 60876), (342, 56782), (348, 55803), (356, 54549), (396, 49039), (418, 46458), (522, 37202), (534, 36366), (551, 35244), (627, 30972), (638, 30438), (684, 28391), (801, 24244), (836, 23229), (957, 20292), (979, 19836), (1044, 18601), (1068, 18183), (1102, 17622), (1254, 15486), (1276, 15219), (1602, 12122), (1653, 11748), (1691, 11484), (1881, 10324), (1914, 10146), (1958, 9918), (2204, 8811), (2508, 7743), (2581, 7524), (2871, 6764), (2937, 6612), (3204, 6061), (3306, 5874), (3382, 5742), (3762, 5162), (3828, 5073), (3916, 4959)]