18666714

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 43794432

約数和(自身を除く): 25127718

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 127, 131, 187, 254, 262, 374, 381, 393, 561, 762, 786, 1122, 1397, 1441, 2159, 2227, 2794, 2882, 4191, 4318, 4323, 4454, 6477, 6681, 8382, 8646, 12954, 13362, 16637, 23749, 24497, 33274, 47498, 48994, 49911, 71247, 73491, 99822, 142494, 146982, 183007, 282829, 366014, 549021, 565658, 848487, 1098042, 1696974, 3111119, 6222238, 9333357, 18666714]

約数ペア:

[(1, 18666714), (2, 9333357), (3, 6222238), (6, 3111119), (11, 1696974), (17, 1098042), (22, 848487), (33, 565658), (34, 549021), (51, 366014), (66, 282829), (102, 183007), (127, 146982), (131, 142494), (187, 99822), (254, 73491), (262, 71247), (374, 49911), (381, 48994), (393, 47498), (561, 33274), (762, 24497), (786, 23749), (1122, 16637), (1397, 13362), (1441, 12954), (2159, 8646), (2227, 8382), (2794, 6681), (2882, 6477), (4191, 4454), (4318, 4323)]