1900920008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{46747}}^1$

素因数の和:46806

約数の個数: 64

約数和(自身を含む): 4240978560

約数和(自身を除く): 2340058552

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 221, 299, 391, 442, 598, 782, 884, 1196, 1564, 1768, 2392, 3128, 5083, 10166, 20332, 40664, 46747, 93494, 186988, 373976, 607711, 794699, 1075181, 1215422, 1589398, 2150362, 2430844, 3178796, 4300724, 4861688, 6357592, 8601448, 10331087, 13977353, 18278077, 20662174, 27954706, 36556154, 41324348, 55909412, 73112308, 82648696, 111818824, 146224616, 237615001, 475230002, 950460004, 1900920008]

約数ペア:

[(1, 1900920008), (2, 950460004), (4, 475230002), (8, 237615001), (13, 146224616), (17, 111818824), (23, 82648696), (26, 73112308), (34, 55909412), (46, 41324348), (52, 36556154), (68, 27954706), (92, 20662174), (104, 18278077), (136, 13977353), (184, 10331087), (221, 8601448), (299, 6357592), (391, 4861688), (442, 4300724), (598, 3178796), (782, 2430844), (884, 2150362), (1196, 1589398), (1564, 1215422), (1768, 1075181), (2392, 794699), (3128, 607711), (5083, 373976), (10166, 186988), (20332, 93494), (40664, 46747)]