18944579920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4832801}}^1$

素因数の和:4832828

約数の個数: 60

約数和(自身を含む): 51237366804

約数和(自身を除く): 32292786884

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4832801, 9665602, 19331204, 24164005, 33829607, 38662408, 48328010, 67659214, 77324816, 96656020, 135318428, 169148035, 193312040, 236807249, 270636856, 338296070, 386624080, 473614498, 541273712, 676592140, 947228996, 1184036245, 1353184280, 1894457992, 2368072490, 2706368560, 3788915984, 4736144980, 9472289960, 18944579920]

約数ペア:

[(1, 18944579920), (2, 9472289960), (4, 4736144980), (5, 3788915984), (7, 2706368560), (8, 2368072490), (10, 1894457992), (14, 1353184280), (16, 1184036245), (20, 947228996), (28, 676592140), (35, 541273712), (40, 473614498), (49, 386624080), (56, 338296070), (70, 270636856), (80, 236807249), (98, 193312040), (112, 169148035), (140, 135318428), (196, 96656020), (245, 77324816), (280, 67659214), (392, 48328010), (490, 38662408), (560, 33829607), (784, 24164005), (980, 19331204), (1960, 9665602), (3920, 4832801)]