16947558

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 37908000

約数和(自身を除く): 20960442

約数列:

[1, 2, 3, 6, 9, 18, 71, 89, 142, 149, 178, 213, 267, 298, 426, 447, 534, 639, 801, 894, 1278, 1341, 1602, 2682, 6319, 10579, 12638, 13261, 18957, 21158, 26522, 31737, 37914, 39783, 56871, 63474, 79566, 95211, 113742, 119349, 190422, 238698, 941531, 1883062, 2824593, 5649186, 8473779, 16947558]

約数ペア:

[(1, 16947558), (2, 8473779), (3, 5649186), (6, 2824593), (9, 1883062), (18, 941531), (71, 238698), (89, 190422), (142, 119349), (149, 113742), (178, 95211), (213, 79566), (267, 63474), (298, 56871), (426, 39783), (447, 37914), (534, 31737), (639, 26522), (801, 21158), (894, 18957), (1278, 13261), (1341, 12638), (1602, 10579), (2682, 6319)]