19475296

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 40932864

約数和(自身を除く): 21457568

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 92, 94, 184, 188, 368, 376, 563, 736, 752, 1081, 1126, 1504, 2162, 2252, 4324, 4504, 8648, 9008, 12949, 17296, 18016, 25898, 26461, 34592, 51796, 52922, 103592, 105844, 207184, 211688, 414368, 423376, 608603, 846752, 1217206, 2434412, 4868824, 9737648, 19475296]

約数ペア:

[(1, 19475296), (2, 9737648), (4, 4868824), (8, 2434412), (16, 1217206), (23, 846752), (32, 608603), (46, 423376), (47, 414368), (92, 211688), (94, 207184), (184, 105844), (188, 103592), (368, 52922), (376, 51796), (563, 34592), (736, 26461), (752, 25898), (1081, 18016), (1126, 17296), (1504, 12949), (2162, 9008), (2252, 8648), (4324, 4504)]