19244260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 47832120

約数和(自身を除く): 28587860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 269, 292, 365, 490, 511, 538, 730, 980, 1022, 1076, 1345, 1460, 1883, 2044, 2555, 2690, 3577, 3766, 5110, 5380, 7154, 7532, 9415, 10220, 13181, 14308, 17885, 18830, 19637, 26362, 35770, 37660, 39274, 52724, 65905, 71540, 78548, 98185, 131810, 137459, 196370, 263620, 274918, 392740, 549836, 687295, 962213, 1374590, 1924426, 2749180, 3848852, 4811065, 9622130, 19244260]

約数ペア:

[(1, 19244260), (2, 9622130), (4, 4811065), (5, 3848852), (7, 2749180), (10, 1924426), (14, 1374590), (20, 962213), (28, 687295), (35, 549836), (49, 392740), (70, 274918), (73, 263620), (98, 196370), (140, 137459), (146, 131810), (196, 98185), (245, 78548), (269, 71540), (292, 65905), (365, 52724), (490, 39274), (511, 37660), (538, 35770), (730, 26362), (980, 19637), (1022, 18830), (1076, 17885), (1345, 14308), (1460, 13181), (1883, 10220), (2044, 9415), (2555, 7532), (2690, 7154), (3577, 5380), (3766, 5110)]