19397085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 35354880

約数和(自身を除く): 15957795

約数列:

[1, 3, 5, 15, 17, 29, 43, 51, 61, 85, 87, 129, 145, 183, 215, 255, 305, 435, 493, 645, 731, 915, 1037, 1247, 1479, 1769, 2193, 2465, 2623, 3111, 3655, 3741, 5185, 5307, 6235, 7395, 7869, 8845, 10965, 13115, 15555, 18705, 21199, 26535, 30073, 39345, 44591, 63597, 76067, 90219, 105995, 133773, 150365, 222955, 228201, 317985, 380335, 451095, 668865, 1141005, 1293139, 3879417, 6465695, 19397085]

約数ペア:

[(1, 19397085), (3, 6465695), (5, 3879417), (15, 1293139), (17, 1141005), (29, 668865), (43, 451095), (51, 380335), (61, 317985), (85, 228201), (87, 222955), (129, 150365), (145, 133773), (183, 105995), (215, 90219), (255, 76067), (305, 63597), (435, 44591), (493, 39345), (645, 30073), (731, 26535), (915, 21199), (1037, 18705), (1247, 15555), (1479, 13115), (1769, 10965), (2193, 8845), (2465, 7869), (2623, 7395), (3111, 6235), (3655, 5307), (3741, 5185)]