19804164

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 48168960

約数和(自身を除く): 28364796

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 139, 186, 278, 372, 383, 417, 556, 766, 834, 1149, 1532, 1668, 2298, 4309, 4596, 8618, 11873, 12927, 17236, 23746, 25854, 35619, 47492, 51708, 53237, 71238, 106474, 142476, 159711, 212948, 319422, 638844, 1650347, 3300694, 4951041, 6601388, 9902082, 19804164]

約数ペア:

[(1, 19804164), (2, 9902082), (3, 6601388), (4, 4951041), (6, 3300694), (12, 1650347), (31, 638844), (62, 319422), (93, 212948), (124, 159711), (139, 142476), (186, 106474), (278, 71238), (372, 53237), (383, 51708), (417, 47492), (556, 35619), (766, 25854), (834, 23746), (1149, 17236), (1532, 12927), (1668, 11873), (2298, 8618), (4309, 4596)]