19655730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1752

約数の個数: 64

約数和(自身を含む): 53665920

約数和(自身を除く): 34010190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1693, 1935, 2322, 3386, 3870, 5079, 5805, 8465, 10158, 11610, 15237, 16930, 25395, 30474, 45711, 50790, 72799, 76185, 91422, 145598, 152370, 218397, 228555, 363995, 436794, 457110, 655191, 727990, 1091985, 1310382, 1965573, 2183970, 3275955, 3931146, 6551910, 9827865, 19655730]

約数ペア:

[(1, 19655730), (2, 9827865), (3, 6551910), (5, 3931146), (6, 3275955), (9, 2183970), (10, 1965573), (15, 1310382), (18, 1091985), (27, 727990), (30, 655191), (43, 457110), (45, 436794), (54, 363995), (86, 228555), (90, 218397), (129, 152370), (135, 145598), (215, 91422), (258, 76185), (270, 72799), (387, 50790), (430, 45711), (645, 30474), (774, 25395), (1161, 16930), (1290, 15237), (1693, 11610), (1935, 10158), (2322, 8465), (3386, 5805), (3870, 5079)]