19187968

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4409}}^1$

素因数の和:4442

約数の個数: 36

約数和(自身を含む): 40563180

約数和(自身を除く): 21375212

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4409, 8818, 17636, 35272, 70544, 74953, 141088, 149906, 282176, 299812, 564352, 599624, 1128704, 1199248, 2398496, 4796992, 9593984, 19187968]

約数ペア:

[(1, 19187968), (2, 9593984), (4, 4796992), (8, 2398496), (16, 1199248), (17, 1128704), (32, 599624), (34, 564352), (64, 299812), (68, 282176), (128, 149906), (136, 141088), (256, 74953), (272, 70544), (544, 35272), (1088, 17636), (2176, 8818), (4352, 4409)]