18997908

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4049}}^1$

素因数の和:4096

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 29990892

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 391, 782, 1173, 1564, 2346, 4049, 4692, 8098, 12147, 16196, 24294, 48588, 68833, 93127, 137666, 186254, 206499, 275332, 279381, 372508, 412998, 558762, 825996, 1117524, 1583159, 3166318, 4749477, 6332636, 9498954, 18997908]

約数ペア:

[(1, 18997908), (2, 9498954), (3, 6332636), (4, 4749477), (6, 3166318), (12, 1583159), (17, 1117524), (23, 825996), (34, 558762), (46, 412998), (51, 372508), (68, 279381), (69, 275332), (92, 206499), (102, 186254), (138, 137666), (204, 93127), (276, 68833), (391, 48588), (782, 24294), (1173, 16196), (1564, 12147), (2346, 8098), (4049, 4692)]