19409040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3851}}^1$

素因数の和:3877

約数の個数: 120

約数和(自身を含む): 74513088

約数和(自身を除く): 55104048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3851, 5040, 7702, 11553, 15404, 19255, 23106, 26957, 30808, 34659, 38510, 46212, 53914, 57765, 61616, 69318, 77020, 80871, 92424, 107828, 115530, 134785, 138636, 154040, 161742, 173295, 184848, 215656, 231060, 242613, 269570, 277272, 308080, 323484, 346590, 404355, 431312, 462120, 485226, 539140, 554544, 646968, 693180, 808710, 924240, 970452, 1078280, 1213065, 1293936, 1386360, 1617420, 1940904, 2156560, 2426130, 2772720, 3234840, 3881808, 4852260, 6469680, 9704520, 19409040]

約数ペア:

[(1, 19409040), (2, 9704520), (3, 6469680), (4, 4852260), (5, 3881808), (6, 3234840), (7, 2772720), (8, 2426130), (9, 2156560), (10, 1940904), (12, 1617420), (14, 1386360), (15, 1293936), (16, 1213065), (18, 1078280), (20, 970452), (21, 924240), (24, 808710), (28, 693180), (30, 646968), (35, 554544), (36, 539140), (40, 485226), (42, 462120), (45, 431312), (48, 404355), (56, 346590), (60, 323484), (63, 308080), (70, 277272), (72, 269570), (80, 242613), (84, 231060), (90, 215656), (105, 184848), (112, 173295), (120, 161742), (126, 154040), (140, 138636), (144, 134785), (168, 115530), (180, 107828), (210, 92424), (240, 80871), (252, 77020), (280, 69318), (315, 61616), (336, 57765), (360, 53914), (420, 46212), (504, 38510), (560, 34659), (630, 30808), (720, 26957), (840, 23106), (1008, 19255), (1260, 15404), (1680, 11553), (2520, 7702), (3851, 5040)]