19454188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 20129972

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 59, 68, 118, 221, 236, 373, 442, 746, 767, 884, 1003, 1492, 1534, 2006, 3068, 4012, 4849, 6341, 9698, 12682, 13039, 19396, 22007, 25364, 26078, 44014, 52156, 82433, 88028, 164866, 286091, 329732, 374119, 572182, 748238, 1144364, 1496476, 4863547, 9727094, 19454188]

約数ペア:

[(1, 19454188), (2, 9727094), (4, 4863547), (13, 1496476), (17, 1144364), (26, 748238), (34, 572182), (52, 374119), (59, 329732), (68, 286091), (118, 164866), (221, 88028), (236, 82433), (373, 52156), (442, 44014), (746, 26078), (767, 25364), (884, 22007), (1003, 19396), (1492, 13039), (1534, 12682), (2006, 9698), (3068, 6341), (4012, 4849)]