18489064

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{727}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 40229280

約数和(自身を除く): 21740216

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 289, 374, 578, 727, 748, 1156, 1454, 1496, 2312, 2908, 3179, 5816, 6358, 7997, 12359, 12716, 15994, 24718, 25432, 31988, 49436, 63976, 98872, 135949, 210103, 271898, 420206, 543796, 840412, 1087592, 1680824, 2311133, 4622266, 9244532, 18489064]

約数ペア:

[(1, 18489064), (2, 9244532), (4, 4622266), (8, 2311133), (11, 1680824), (17, 1087592), (22, 840412), (34, 543796), (44, 420206), (68, 271898), (88, 210103), (136, 135949), (187, 98872), (289, 63976), (374, 49436), (578, 31988), (727, 25432), (748, 24718), (1156, 15994), (1454, 12716), (1496, 12359), (2312, 7997), (2908, 6358), (3179, 5816)]