18996977391

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1\times {\mathrm{28619}}^1$

素因数の和:29135

約数の個数: 32

約数和(自身を含む): 29413117440

約数和(自身を除く): 10416140049

約数列:

[1, 3, 7, 21, 73, 219, 433, 511, 1299, 1533, 3031, 9093, 28619, 31609, 85857, 94827, 200333, 221263, 600999, 663789, 2089187, 6267561, 12392027, 14624309, 37176081, 43872927, 86744189, 260232567, 904617971, 2713853913, 6332325797, 18996977391]

約数ペア:

[(1, 18996977391), (3, 6332325797), (7, 2713853913), (21, 904617971), (73, 260232567), (219, 86744189), (433, 43872927), (511, 37176081), (1299, 14624309), (1533, 12392027), (3031, 6267561), (9093, 2089187), (28619, 663789), (31609, 600999), (85857, 221263), (94827, 200333)]