19225948

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 21900452

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 509, 532, 994, 1018, 1349, 1988, 2036, 2698, 3563, 5396, 7126, 9443, 9671, 14252, 18886, 19342, 36139, 37772, 38684, 67697, 72278, 135394, 144556, 252973, 270788, 505946, 686641, 1011892, 1373282, 2746564, 4806487, 9612974, 19225948]

約数ペア:

[(1, 19225948), (2, 9612974), (4, 4806487), (7, 2746564), (14, 1373282), (19, 1011892), (28, 686641), (38, 505946), (71, 270788), (76, 252973), (133, 144556), (142, 135394), (266, 72278), (284, 67697), (497, 38684), (509, 37772), (532, 36139), (994, 19342), (1018, 18886), (1349, 14252), (1988, 9671), (2036, 9443), (2698, 7126), (3563, 5396)]