18670020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 55544832

約数和(自身を除く): 36874812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 83, 92, 115, 138, 163, 166, 230, 249, 276, 326, 332, 345, 415, 460, 489, 498, 652, 690, 815, 830, 978, 996, 1245, 1380, 1630, 1660, 1909, 1956, 2445, 2490, 3260, 3749, 3818, 4890, 4980, 5727, 7498, 7636, 9545, 9780, 11247, 11454, 13529, 14996, 18745, 19090, 22494, 22908, 27058, 28635, 37490, 38180, 40587, 44988, 54116, 56235, 57270, 67645, 74980, 81174, 112470, 114540, 135290, 162348, 202935, 224940, 270580, 311167, 405870, 622334, 811740, 933501, 1244668, 1555835, 1867002, 3111670, 3734004, 4667505, 6223340, 9335010, 18670020]

約数ペア:

[(1, 18670020), (2, 9335010), (3, 6223340), (4, 4667505), (5, 3734004), (6, 3111670), (10, 1867002), (12, 1555835), (15, 1244668), (20, 933501), (23, 811740), (30, 622334), (46, 405870), (60, 311167), (69, 270580), (83, 224940), (92, 202935), (115, 162348), (138, 135290), (163, 114540), (166, 112470), (230, 81174), (249, 74980), (276, 67645), (326, 57270), (332, 56235), (345, 54116), (415, 44988), (460, 40587), (489, 38180), (498, 37490), (652, 28635), (690, 27058), (815, 22908), (830, 22494), (978, 19090), (996, 18745), (1245, 14996), (1380, 13529), (1630, 11454), (1660, 11247), (1909, 9780), (1956, 9545), (2445, 7636), (2490, 7498), (3260, 5727), (3749, 4980), (3818, 4890)]