19947936

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^2\times {\mathrm{719}}^1$

素因数の和:766

約数の個数: 72

約数和(自身を含む): 55702080

約数和(自身を除く): 35754144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 289, 408, 544, 578, 719, 816, 867, 1156, 1438, 1632, 1734, 2157, 2312, 2876, 3468, 4314, 4624, 5752, 6936, 8628, 9248, 11504, 12223, 13872, 17256, 23008, 24446, 27744, 34512, 36669, 48892, 69024, 73338, 97784, 146676, 195568, 207791, 293352, 391136, 415582, 586704, 623373, 831164, 1173408, 1246746, 1662328, 2493492, 3324656, 4986984, 6649312, 9973968, 19947936]

約数ペア:

[(1, 19947936), (2, 9973968), (3, 6649312), (4, 4986984), (6, 3324656), (8, 2493492), (12, 1662328), (16, 1246746), (17, 1173408), (24, 831164), (32, 623373), (34, 586704), (48, 415582), (51, 391136), (68, 293352), (96, 207791), (102, 195568), (136, 146676), (204, 97784), (272, 73338), (289, 69024), (408, 48892), (544, 36669), (578, 34512), (719, 27744), (816, 24446), (867, 23008), (1156, 17256), (1438, 13872), (1632, 12223), (1734, 11504), (2157, 9248), (2312, 8628), (2876, 6936), (3468, 5752), (4314, 4624)]