19398656

素因数分解:

$2^{19}\times {\mathrm{37}}^1$

素因数の和:75

約数の個数: 40

約数和(自身を含む): 39845850

約数和(自身を除く): 20447194

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 592, 1024, 1184, 2048, 2368, 4096, 4736, 8192, 9472, 16384, 18944, 32768, 37888, 65536, 75776, 131072, 151552, 262144, 303104, 524288, 606208, 1212416, 2424832, 4849664, 9699328, 19398656]

約数ペア:

[(1, 19398656), (2, 9699328), (4, 4849664), (8, 2424832), (16, 1212416), (32, 606208), (37, 524288), (64, 303104), (74, 262144), (128, 151552), (148, 131072), (256, 75776), (296, 65536), (512, 37888), (592, 32768), (1024, 18944), (1184, 16384), (2048, 9472), (2368, 8192), (4096, 4736)]