19904568

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 32661192

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 107, 138, 184, 214, 276, 321, 337, 428, 552, 642, 674, 856, 1011, 1284, 1348, 2022, 2461, 2568, 2696, 4044, 4922, 7383, 7751, 8088, 9844, 14766, 15502, 19688, 23253, 29532, 31004, 36059, 46506, 59064, 62008, 72118, 93012, 108177, 144236, 186024, 216354, 288472, 432708, 829357, 865416, 1658714, 2488071, 3317428, 4976142, 6634856, 9952284, 19904568]

約数ペア:

[(1, 19904568), (2, 9952284), (3, 6634856), (4, 4976142), (6, 3317428), (8, 2488071), (12, 1658714), (23, 865416), (24, 829357), (46, 432708), (69, 288472), (92, 216354), (107, 186024), (138, 144236), (184, 108177), (214, 93012), (276, 72118), (321, 62008), (337, 59064), (428, 46506), (552, 36059), (642, 31004), (674, 29532), (856, 23253), (1011, 19688), (1284, 15502), (1348, 14766), (2022, 9844), (2461, 8088), (2568, 7751), (2696, 7383), (4044, 4922)]