19423716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 49392000

約数和(自身を除く): 29968284

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 1399, 2314, 2798, 3471, 4197, 4628, 5596, 6942, 8394, 13884, 16788, 18187, 36374, 54561, 72748, 109122, 124511, 218244, 249022, 373533, 498044, 747066, 1494132, 1618643, 3237286, 4855929, 6474572, 9711858, 19423716]

約数ペア:

[(1, 19423716), (2, 9711858), (3, 6474572), (4, 4855929), (6, 3237286), (12, 1618643), (13, 1494132), (26, 747066), (39, 498044), (52, 373533), (78, 249022), (89, 218244), (156, 124511), (178, 109122), (267, 72748), (356, 54561), (534, 36374), (1068, 18187), (1157, 16788), (1399, 13884), (2314, 8394), (2798, 6942), (3471, 5596), (4197, 4628)]