2021296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 4228400

約数和(自身を除く): 2207104

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 109, 122, 152, 218, 244, 304, 436, 488, 872, 976, 1159, 1744, 2071, 2318, 4142, 4636, 6649, 8284, 9272, 13298, 16568, 18544, 26596, 33136, 53192, 106384, 126331, 252662, 505324, 1010648, 2021296]

約数ペア:

[(1, 2021296), (2, 1010648), (4, 505324), (8, 252662), (16, 126331), (19, 106384), (38, 53192), (61, 33136), (76, 26596), (109, 18544), (122, 16568), (152, 13298), (218, 9272), (244, 8284), (304, 6649), (436, 4636), (488, 4142), (872, 2318), (976, 2071), (1159, 1744)]