19620224

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{907}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 42371820

約数和(自身を除く): 22751596

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 907, 1352, 1664, 1814, 2704, 3628, 5408, 7256, 10816, 11791, 14512, 21632, 23582, 29024, 47164, 58048, 94328, 116096, 153283, 188656, 306566, 377312, 613132, 754624, 1226264, 1509248, 2452528, 4905056, 9810112, 19620224]

約数ペア:

[(1, 19620224), (2, 9810112), (4, 4905056), (8, 2452528), (13, 1509248), (16, 1226264), (26, 754624), (32, 613132), (52, 377312), (64, 306566), (104, 188656), (128, 153283), (169, 116096), (208, 94328), (338, 58048), (416, 47164), (676, 29024), (832, 23582), (907, 21632), (1352, 14512), (1664, 11791), (1814, 10816), (2704, 7256), (3628, 5408)]