18959148

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2383}}^1$

素因数の和:2423

約数の個数: 72

約数和(自身を含む): 54669888

約数和(自身を除く): 35710740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2383, 2652, 3978, 4766, 7149, 7956, 9532, 14298, 21447, 28596, 30979, 40511, 42894, 61958, 81022, 85788, 92937, 121533, 123916, 162044, 185874, 243066, 278811, 364599, 371748, 486132, 526643, 557622, 729198, 1053286, 1115244, 1458396, 1579929, 2106572, 3159858, 4739787, 6319716, 9479574, 18959148]

約数ペア:

[(1, 18959148), (2, 9479574), (3, 6319716), (4, 4739787), (6, 3159858), (9, 2106572), (12, 1579929), (13, 1458396), (17, 1115244), (18, 1053286), (26, 729198), (34, 557622), (36, 526643), (39, 486132), (51, 371748), (52, 364599), (68, 278811), (78, 243066), (102, 185874), (117, 162044), (153, 123916), (156, 121533), (204, 92937), (221, 85788), (234, 81022), (306, 61958), (442, 42894), (468, 40511), (612, 30979), (663, 28596), (884, 21447), (1326, 14298), (1989, 9532), (2383, 7956), (2652, 7149), (3978, 4766)]