201919390

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{74509}}^1$

素因数の和:74787

約数の個数: 16

約数和(自身を含む): 364800960

約数和(自身を除く): 162881570

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 74509, 149018, 372545, 745090, 20191939, 40383878, 100959695, 201919390]

約数ペア:

[(1, 201919390), (2, 100959695), (5, 40383878), (10, 20191939), (271, 745090), (542, 372545), (1355, 149018), (2710, 74509)]