19494784

素因数分解:

$2^7\times {\mathrm{17}}^3\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 64

約数和(自身を含む): 42595200

約数和(自身を除く): 23100416

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 272, 289, 496, 527, 544, 578, 992, 1054, 1088, 1156, 1984, 2108, 2176, 2312, 3968, 4216, 4624, 4913, 8432, 8959, 9248, 9826, 16864, 17918, 18496, 19652, 33728, 35836, 36992, 39304, 67456, 71672, 78608, 143344, 152303, 157216, 286688, 304606, 314432, 573376, 609212, 628864, 1146752, 1218424, 2436848, 4873696, 9747392, 19494784]

約数ペア:

[(1, 19494784), (2, 9747392), (4, 4873696), (8, 2436848), (16, 1218424), (17, 1146752), (31, 628864), (32, 609212), (34, 573376), (62, 314432), (64, 304606), (68, 286688), (124, 157216), (128, 152303), (136, 143344), (248, 78608), (272, 71672), (289, 67456), (496, 39304), (527, 36992), (544, 35836), (578, 33728), (992, 19652), (1054, 18496), (1088, 17918), (1156, 16864), (1984, 9826), (2108, 9248), (2176, 8959), (2312, 8432), (3968, 4913), (4216, 4624)]