19612460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4566

約数の個数: 48

約数和(自身を含む): 48599040

約数和(自身を除く): 28986580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 4519, 9038, 18076, 22595, 31633, 45190, 63266, 90380, 126532, 140089, 158165, 280178, 316330, 560356, 632660, 700445, 980623, 1400890, 1961246, 2801780, 3922492, 4903115, 9806230, 19612460]

約数ペア:

[(1, 19612460), (2, 9806230), (4, 4903115), (5, 3922492), (7, 2801780), (10, 1961246), (14, 1400890), (20, 980623), (28, 700445), (31, 632660), (35, 560356), (62, 316330), (70, 280178), (124, 158165), (140, 140089), (155, 126532), (217, 90380), (310, 63266), (434, 45190), (620, 31633), (868, 22595), (1085, 18076), (2170, 9038), (4340, 4519)]