19556846

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 12411154

約数列:

[1, 2, 29, 31, 58, 62, 73, 146, 149, 298, 899, 1798, 2117, 2263, 4234, 4321, 4526, 4619, 8642, 9238, 10877, 21754, 65627, 131254, 133951, 267902, 315433, 337187, 630866, 674374, 9778423, 19556846]

約数ペア:

[(1, 19556846), (2, 9778423), (29, 674374), (31, 630866), (58, 337187), (62, 315433), (73, 267902), (146, 133951), (149, 131254), (298, 65627), (899, 21754), (1798, 10877), (2117, 9238), (2263, 8642), (4234, 4619), (4321, 4526)]