11906980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 26127360

約数和(自身を除く): 14220380

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 239, 265, 470, 478, 530, 940, 956, 1060, 1195, 2390, 2491, 4780, 4982, 9964, 11233, 12455, 12667, 22466, 24910, 25334, 44932, 49820, 50668, 56165, 63335, 112330, 126670, 224660, 253340, 595349, 1190698, 2381396, 2976745, 5953490, 11906980]

約数ペア:

[(1, 11906980), (2, 5953490), (4, 2976745), (5, 2381396), (10, 1190698), (20, 595349), (47, 253340), (53, 224660), (94, 126670), (106, 112330), (188, 63335), (212, 56165), (235, 50668), (239, 49820), (265, 44932), (470, 25334), (478, 24910), (530, 22466), (940, 12667), (956, 12455), (1060, 11233), (1195, 9964), (2390, 4982), (2491, 4780)]