18600012

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 50319360

約数和(自身を除く): 31719348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 383, 426, 639, 684, 766, 852, 1149, 1278, 1349, 1532, 2298, 2556, 2698, 3447, 4047, 4596, 5396, 6894, 7277, 8094, 12141, 13788, 14554, 16188, 21831, 24282, 27193, 29108, 43662, 48564, 54386, 65493, 81579, 87324, 108772, 130986, 163158, 244737, 261972, 326316, 489474, 516667, 978948, 1033334, 1550001, 2066668, 3100002, 4650003, 6200004, 9300006, 18600012]

約数ペア:

[(1, 18600012), (2, 9300006), (3, 6200004), (4, 4650003), (6, 3100002), (9, 2066668), (12, 1550001), (18, 1033334), (19, 978948), (36, 516667), (38, 489474), (57, 326316), (71, 261972), (76, 244737), (114, 163158), (142, 130986), (171, 108772), (213, 87324), (228, 81579), (284, 65493), (342, 54386), (383, 48564), (426, 43662), (639, 29108), (684, 27193), (766, 24282), (852, 21831), (1149, 16188), (1278, 14554), (1349, 13788), (1532, 12141), (2298, 8094), (2556, 7277), (2698, 6894), (3447, 5396), (4047, 4596)]