19542976

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 56

約数和(自身を含む): 40599360

約数和(自身を除く): 21056384

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 73, 89, 94, 146, 178, 188, 292, 356, 376, 584, 712, 752, 1168, 1424, 1504, 2336, 2848, 3008, 3431, 4183, 4672, 5696, 6497, 6862, 8366, 12994, 13724, 16732, 25988, 27448, 33464, 51976, 54896, 66928, 103952, 109792, 133856, 207904, 219584, 267712, 305359, 415808, 610718, 1221436, 2442872, 4885744, 9771488, 19542976]

約数ペア:

[(1, 19542976), (2, 9771488), (4, 4885744), (8, 2442872), (16, 1221436), (32, 610718), (47, 415808), (64, 305359), (73, 267712), (89, 219584), (94, 207904), (146, 133856), (178, 109792), (188, 103952), (292, 66928), (356, 54896), (376, 51976), (584, 33464), (712, 27448), (752, 25988), (1168, 16732), (1424, 13724), (1504, 12994), (2336, 8366), (2848, 6862), (3008, 6497), (3431, 5696), (4183, 4672)]