19423112

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 40081920

約数和(自身を除く): 20658808

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 271, 289, 527, 542, 578, 1054, 1084, 1156, 2108, 2168, 2312, 4216, 4607, 8401, 8959, 9214, 16802, 17918, 18428, 33604, 35836, 36856, 67208, 71672, 78319, 142817, 156638, 285634, 313276, 571268, 626552, 1142536, 2427889, 4855778, 9711556, 19423112]

約数ペア:

[(1, 19423112), (2, 9711556), (4, 4855778), (8, 2427889), (17, 1142536), (31, 626552), (34, 571268), (62, 313276), (68, 285634), (124, 156638), (136, 142817), (248, 78319), (271, 71672), (289, 67208), (527, 36856), (542, 35836), (578, 33604), (1054, 18428), (1084, 17918), (1156, 16802), (2108, 9214), (2168, 8959), (2312, 8401), (4216, 4607)]