19963424

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 48

約数和(自身を含む): 43503768

約数和(自身を除く): 23540344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1297, 1924, 2594, 3848, 5188, 7696, 10376, 15392, 16861, 20752, 33722, 41504, 47989, 67444, 95978, 134888, 191956, 269776, 383912, 539552, 623857, 767824, 1247714, 1535648, 2495428, 4990856, 9981712, 19963424]

約数ペア:

[(1, 19963424), (2, 9981712), (4, 4990856), (8, 2495428), (13, 1535648), (16, 1247714), (26, 767824), (32, 623857), (37, 539552), (52, 383912), (74, 269776), (104, 191956), (148, 134888), (208, 95978), (296, 67444), (416, 47989), (481, 41504), (592, 33722), (962, 20752), (1184, 16861), (1297, 15392), (1924, 10376), (2594, 7696), (3848, 5188)]