18916744

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 46539360

約数和(自身を除く): 27622616

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 49, 56, 77, 82, 88, 98, 107, 154, 164, 196, 214, 287, 308, 328, 392, 428, 451, 539, 574, 616, 749, 856, 902, 1078, 1148, 1177, 1498, 1804, 2009, 2156, 2296, 2354, 2996, 3157, 3608, 4018, 4312, 4387, 4708, 5243, 5992, 6314, 8036, 8239, 8774, 9416, 10486, 12628, 16072, 16478, 17548, 20972, 22099, 25256, 30709, 32956, 35096, 41944, 44198, 48257, 57673, 61418, 65912, 88396, 96514, 115346, 122836, 176792, 193028, 214963, 230692, 245672, 337799, 386056, 429926, 461384, 675598, 859852, 1351196, 1719704, 2364593, 2702392, 4729186, 9458372, 18916744]

約数ペア:

[(1, 18916744), (2, 9458372), (4, 4729186), (7, 2702392), (8, 2364593), (11, 1719704), (14, 1351196), (22, 859852), (28, 675598), (41, 461384), (44, 429926), (49, 386056), (56, 337799), (77, 245672), (82, 230692), (88, 214963), (98, 193028), (107, 176792), (154, 122836), (164, 115346), (196, 96514), (214, 88396), (287, 65912), (308, 61418), (328, 57673), (392, 48257), (428, 44198), (451, 41944), (539, 35096), (574, 32956), (616, 30709), (749, 25256), (856, 22099), (902, 20972), (1078, 17548), (1148, 16478), (1177, 16072), (1498, 12628), (1804, 10486), (2009, 9416), (2156, 8774), (2296, 8239), (2354, 8036), (2996, 6314), (3157, 5992), (3608, 5243), (4018, 4708), (4312, 4387)]