19105016

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 43001280

約数和(自身を除く): 23896264

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 53, 56, 82, 106, 157, 164, 212, 287, 314, 328, 371, 424, 574, 628, 742, 1099, 1148, 1256, 1484, 2173, 2198, 2296, 2968, 4346, 4396, 6437, 8321, 8692, 8792, 12874, 15211, 16642, 17384, 25748, 30422, 33284, 45059, 51496, 58247, 60844, 66568, 90118, 116494, 121688, 180236, 232988, 341161, 360472, 465976, 682322, 1364644, 2388127, 2729288, 4776254, 9552508, 19105016]

約数ペア:

[(1, 19105016), (2, 9552508), (4, 4776254), (7, 2729288), (8, 2388127), (14, 1364644), (28, 682322), (41, 465976), (53, 360472), (56, 341161), (82, 232988), (106, 180236), (157, 121688), (164, 116494), (212, 90118), (287, 66568), (314, 60844), (328, 58247), (371, 51496), (424, 45059), (574, 33284), (628, 30422), (742, 25748), (1099, 17384), (1148, 16642), (1256, 15211), (1484, 12874), (2173, 8792), (2198, 8692), (2296, 8321), (2968, 6437), (4346, 4396)]