19965192

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 34466808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 89, 104, 156, 178, 267, 312, 356, 534, 712, 719, 1068, 1157, 1438, 2136, 2157, 2314, 2876, 3471, 4314, 4628, 5752, 6942, 8628, 9256, 9347, 13884, 17256, 18694, 27768, 28041, 37388, 56082, 63991, 74776, 112164, 127982, 191973, 224328, 255964, 383946, 511928, 767892, 831883, 1535784, 1663766, 2495649, 3327532, 4991298, 6655064, 9982596, 19965192]

約数ペア:

[(1, 19965192), (2, 9982596), (3, 6655064), (4, 4991298), (6, 3327532), (8, 2495649), (12, 1663766), (13, 1535784), (24, 831883), (26, 767892), (39, 511928), (52, 383946), (78, 255964), (89, 224328), (104, 191973), (156, 127982), (178, 112164), (267, 74776), (312, 63991), (356, 56082), (534, 37388), (712, 28041), (719, 27768), (1068, 18694), (1157, 17256), (1438, 13884), (2136, 9347), (2157, 9256), (2314, 8628), (2876, 6942), (3471, 5752), (4314, 4628)]