19517886

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 24708114

約数列:

[1, 2, 3, 6, 9, 18, 41, 53, 82, 106, 123, 159, 246, 318, 369, 477, 499, 738, 954, 998, 1497, 2173, 2994, 4346, 4491, 6519, 8982, 13038, 19557, 20459, 26447, 39114, 40918, 52894, 61377, 79341, 122754, 158682, 184131, 238023, 368262, 476046, 1084327, 2168654, 3252981, 6505962, 9758943, 19517886]

約数ペア:

[(1, 19517886), (2, 9758943), (3, 6505962), (6, 3252981), (9, 2168654), (18, 1084327), (41, 476046), (53, 368262), (82, 238023), (106, 184131), (123, 158682), (159, 122754), (246, 79341), (318, 61377), (369, 52894), (477, 40918), (499, 39114), (738, 26447), (954, 20459), (998, 19557), (1497, 13038), (2173, 8982), (2994, 6519), (4346, 4491)]