18967168

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 43452000

約数和(自身を除く): 24484832

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 304, 352, 418, 608, 704, 709, 836, 1216, 1408, 1418, 1672, 2432, 2836, 3344, 5672, 6688, 7799, 11344, 13376, 13471, 15598, 22688, 26752, 26942, 31196, 45376, 53884, 62392, 90752, 107768, 124784, 148181, 215536, 249568, 296362, 431072, 499136, 592724, 862144, 998272, 1185448, 1724288, 2370896, 4741792, 9483584, 18967168]

約数ペア:

[(1, 18967168), (2, 9483584), (4, 4741792), (8, 2370896), (11, 1724288), (16, 1185448), (19, 998272), (22, 862144), (32, 592724), (38, 499136), (44, 431072), (64, 296362), (76, 249568), (88, 215536), (128, 148181), (152, 124784), (176, 107768), (209, 90752), (304, 62392), (352, 53884), (418, 45376), (608, 31196), (704, 26942), (709, 26752), (836, 22688), (1216, 15598), (1408, 13471), (1418, 13376), (1672, 11344), (2432, 7799), (2836, 6688), (3344, 5672)]