18679770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 53323920

約数和(自身を除く): 34644150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 29, 30, 34, 45, 51, 58, 85, 87, 90, 102, 145, 153, 170, 174, 255, 261, 290, 306, 421, 435, 493, 510, 522, 765, 842, 870, 986, 1263, 1305, 1479, 1530, 2105, 2465, 2526, 2610, 2958, 3789, 4210, 4437, 4930, 6315, 7157, 7395, 7578, 8874, 12209, 12630, 14314, 14790, 18945, 21471, 22185, 24418, 35785, 36627, 37890, 42942, 44370, 61045, 64413, 71570, 73254, 107355, 109881, 122090, 128826, 183135, 207553, 214710, 219762, 322065, 366270, 415106, 549405, 622659, 644130, 1037765, 1098810, 1245318, 1867977, 2075530, 3113295, 3735954, 6226590, 9339885, 18679770]

約数ペア:

[(1, 18679770), (2, 9339885), (3, 6226590), (5, 3735954), (6, 3113295), (9, 2075530), (10, 1867977), (15, 1245318), (17, 1098810), (18, 1037765), (29, 644130), (30, 622659), (34, 549405), (45, 415106), (51, 366270), (58, 322065), (85, 219762), (87, 214710), (90, 207553), (102, 183135), (145, 128826), (153, 122090), (170, 109881), (174, 107355), (255, 73254), (261, 71570), (290, 64413), (306, 61045), (421, 44370), (435, 42942), (493, 37890), (510, 36627), (522, 35785), (765, 24418), (842, 22185), (870, 21471), (986, 18945), (1263, 14790), (1305, 14314), (1479, 12630), (1530, 12209), (2105, 8874), (2465, 7578), (2526, 7395), (2610, 7157), (2958, 6315), (3789, 4930), (4210, 4437)]