19378786

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 15613214

約数列:

[1, 2, 7, 14, 29, 58, 59, 118, 203, 406, 413, 809, 826, 1618, 1711, 3422, 5663, 11326, 11977, 23461, 23954, 46922, 47731, 95462, 164227, 328454, 334117, 668234, 1384199, 2768398, 9689393, 19378786]

約数ペア:

[(1, 19378786), (2, 9689393), (7, 2768398), (14, 1384199), (29, 668234), (58, 334117), (59, 328454), (118, 164227), (203, 95462), (406, 47731), (413, 46922), (809, 23954), (826, 23461), (1618, 11977), (1711, 11326), (3422, 5663)]