17928248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 39177600

約数和(自身を除く): 21249352

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 43, 52, 76, 86, 104, 152, 172, 211, 247, 344, 422, 494, 559, 817, 844, 988, 1118, 1634, 1688, 1976, 2236, 2743, 3268, 4009, 4472, 5486, 6536, 8018, 9073, 10621, 10972, 16036, 18146, 21242, 21944, 32072, 36292, 42484, 52117, 72584, 84968, 104234, 117949, 172387, 208468, 235898, 344774, 416936, 471796, 689548, 943592, 1379096, 2241031, 4482062, 8964124, 17928248]

約数ペア:

[(1, 17928248), (2, 8964124), (4, 4482062), (8, 2241031), (13, 1379096), (19, 943592), (26, 689548), (38, 471796), (43, 416936), (52, 344774), (76, 235898), (86, 208468), (104, 172387), (152, 117949), (172, 104234), (211, 84968), (247, 72584), (344, 52117), (422, 42484), (494, 36292), (559, 32072), (817, 21944), (844, 21242), (988, 18146), (1118, 16036), (1634, 10972), (1688, 10621), (1976, 9073), (2236, 8018), (2743, 6536), (3268, 5486), (4009, 4472)]