19153888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1187

約数の個数: 48

約数和(自身を含む): 41637456

約数和(自身を除く): 22483568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1123, 1312, 2132, 2246, 4264, 4492, 8528, 8984, 14599, 17056, 17968, 29198, 35936, 46043, 58396, 92086, 116792, 184172, 233584, 368344, 467168, 598559, 736688, 1197118, 1473376, 2394236, 4788472, 9576944, 19153888]

約数ペア:

[(1, 19153888), (2, 9576944), (4, 4788472), (8, 2394236), (13, 1473376), (16, 1197118), (26, 736688), (32, 598559), (41, 467168), (52, 368344), (82, 233584), (104, 184172), (164, 116792), (208, 92086), (328, 58396), (416, 46043), (533, 35936), (656, 29198), (1066, 17968), (1123, 17056), (1312, 14599), (2132, 8984), (2246, 8528), (4264, 4492)]