19017270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1613}}^1$

素因数の和:1757

約数の個数: 48

約数和(自身を含む): 49853232

約数和(自身を除く): 30835962

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1613, 1965, 2358, 3226, 3930, 4839, 5895, 8065, 9678, 11790, 14517, 16130, 24195, 29034, 48390, 72585, 145170, 211303, 422606, 633909, 1056515, 1267818, 1901727, 2113030, 3169545, 3803454, 6339090, 9508635, 19017270]

約数ペア:

[(1, 19017270), (2, 9508635), (3, 6339090), (5, 3803454), (6, 3169545), (9, 2113030), (10, 1901727), (15, 1267818), (18, 1056515), (30, 633909), (45, 422606), (90, 211303), (131, 145170), (262, 72585), (393, 48390), (655, 29034), (786, 24195), (1179, 16130), (1310, 14517), (1613, 11790), (1965, 9678), (2358, 8065), (3226, 5895), (3930, 4839)]