19794112

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 56

約数和(自身を含む): 43511216

約数和(自身を除く): 23717104

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 643, 832, 962, 1184, 1286, 1924, 2368, 2572, 3848, 5144, 7696, 8359, 10288, 15392, 16718, 20576, 23791, 30784, 33436, 41152, 47582, 66872, 95164, 133744, 190328, 267488, 309283, 380656, 534976, 618566, 761312, 1237132, 1522624, 2474264, 4948528, 9897056, 19794112]

約数ペア:

[(1, 19794112), (2, 9897056), (4, 4948528), (8, 2474264), (13, 1522624), (16, 1237132), (26, 761312), (32, 618566), (37, 534976), (52, 380656), (64, 309283), (74, 267488), (104, 190328), (148, 133744), (208, 95164), (296, 66872), (416, 47582), (481, 41152), (592, 33436), (643, 30784), (832, 23791), (962, 20576), (1184, 16718), (1286, 15392), (1924, 10288), (2368, 8359), (2572, 7696), (3848, 5144)]