19560776

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 37648800

約数和(自身を除く): 18088024

約数列:

[1, 2, 4, 8, 83, 89, 166, 178, 331, 332, 356, 662, 664, 712, 1324, 2648, 7387, 14774, 27473, 29459, 29548, 54946, 58918, 59096, 109892, 117836, 219784, 235672, 2445097, 4890194, 9780388, 19560776]

約数ペア:

[(1, 19560776), (2, 9780388), (4, 4890194), (8, 2445097), (83, 235672), (89, 219784), (166, 117836), (178, 109892), (331, 59096), (332, 58918), (356, 54946), (662, 29548), (664, 29459), (712, 27473), (1324, 14774), (2648, 7387)]