18235168

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 41416704

約数和(自身を除く): 23181536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 641, 889, 1016, 1282, 1778, 2032, 2564, 3556, 4064, 4487, 5128, 7112, 8974, 10256, 14224, 17948, 20512, 28448, 35896, 71792, 81407, 143584, 162814, 325628, 569849, 651256, 1139698, 1302512, 2279396, 2605024, 4558792, 9117584, 18235168]

約数ペア:

[(1, 18235168), (2, 9117584), (4, 4558792), (7, 2605024), (8, 2279396), (14, 1302512), (16, 1139698), (28, 651256), (32, 569849), (56, 325628), (112, 162814), (127, 143584), (224, 81407), (254, 71792), (508, 35896), (641, 28448), (889, 20512), (1016, 17948), (1282, 14224), (1778, 10256), (2032, 8974), (2564, 7112), (3556, 5128), (4064, 4487)]