19356304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 22158896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1549, 1562, 3098, 3124, 6196, 6248, 12392, 12496, 17039, 24784, 34078, 68156, 109979, 136312, 219958, 272624, 439916, 879832, 1209769, 1759664, 2419538, 4839076, 9678152, 19356304]

約数ペア:

[(1, 19356304), (2, 9678152), (4, 4839076), (8, 2419538), (11, 1759664), (16, 1209769), (22, 879832), (44, 439916), (71, 272624), (88, 219958), (142, 136312), (176, 109979), (284, 68156), (568, 34078), (781, 24784), (1136, 17039), (1549, 12496), (1562, 12392), (3098, 6248), (3124, 6196)]