19777030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 44448768

約数和(自身を除く): 24671738

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 103, 130, 182, 206, 211, 422, 455, 515, 721, 910, 1030, 1055, 1339, 1442, 1477, 2110, 2678, 2743, 2954, 3605, 5486, 6695, 7210, 7385, 9373, 13390, 13715, 14770, 18746, 19201, 21733, 27430, 38402, 43466, 46865, 93730, 96005, 108665, 152131, 192010, 217330, 282529, 304262, 565058, 760655, 1412645, 1521310, 1977703, 2825290, 3955406, 9888515, 19777030]

約数ペア:

[(1, 19777030), (2, 9888515), (5, 3955406), (7, 2825290), (10, 1977703), (13, 1521310), (14, 1412645), (26, 760655), (35, 565058), (65, 304262), (70, 282529), (91, 217330), (103, 192010), (130, 152131), (182, 108665), (206, 96005), (211, 93730), (422, 46865), (455, 43466), (515, 38402), (721, 27430), (910, 21733), (1030, 19201), (1055, 18746), (1339, 14770), (1442, 13715), (1477, 13390), (2110, 9373), (2678, 7385), (2743, 7210), (2954, 6695), (3605, 5486)]