19561346

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 15492862

約数列:

[1, 2, 7, 14, 41, 53, 82, 106, 287, 371, 574, 643, 742, 1286, 2173, 4346, 4501, 9002, 15211, 26363, 30422, 34079, 52726, 68158, 184541, 238553, 369082, 477106, 1397239, 2794478, 9780673, 19561346]

約数ペア:

[(1, 19561346), (2, 9780673), (7, 2794478), (14, 1397239), (41, 477106), (53, 369082), (82, 238553), (106, 184541), (287, 68158), (371, 52726), (574, 34079), (643, 30422), (742, 26363), (1286, 15211), (2173, 9002), (4346, 4501)]