19463392

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 42887880

約数和(自身を除く): 23424488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 61, 104, 118, 122, 169, 208, 236, 244, 338, 416, 472, 488, 676, 767, 793, 944, 976, 1352, 1534, 1586, 1888, 1952, 2704, 3068, 3172, 3599, 5408, 6136, 6344, 7198, 9971, 10309, 12272, 12688, 14396, 19942, 20618, 24544, 25376, 28792, 39884, 41236, 46787, 57584, 79768, 82472, 93574, 115168, 159536, 164944, 187148, 319072, 329888, 374296, 608231, 748592, 1216462, 1497184, 2432924, 4865848, 9731696, 19463392]

約数ペア:

[(1, 19463392), (2, 9731696), (4, 4865848), (8, 2432924), (13, 1497184), (16, 1216462), (26, 748592), (32, 608231), (52, 374296), (59, 329888), (61, 319072), (104, 187148), (118, 164944), (122, 159536), (169, 115168), (208, 93574), (236, 82472), (244, 79768), (338, 57584), (416, 46787), (472, 41236), (488, 39884), (676, 28792), (767, 25376), (793, 24544), (944, 20618), (976, 19942), (1352, 14396), (1534, 12688), (1586, 12272), (1888, 10309), (1952, 9971), (2704, 7198), (3068, 6344), (3172, 6136), (3599, 5408)]