18576977920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47741}}^1$

素因数の和:47789

約数の個数: 104

約数和(自身を含む): 46926566640

約数和(自身を除く): 28349588720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2048, 2432, 2560, 3040, 4096, 4864, 5120, 6080, 9728, 10240, 12160, 19456, 20480, 24320, 38912, 47741, 48640, 77824, 95482, 97280, 190964, 194560, 238705, 381928, 389120, 477410, 763856, 907079, 954820, 1527712, 1814158, 1909640, 3055424, 3628316, 3819280, 4535395, 6110848, 7256632, 7638560, 9070790, 12221696, 14513264, 15277120, 18141580, 24443392, 29026528, 30554240, 36283160, 48886784, 58053056, 61108480, 72566320, 97773568, 116106112, 122216960, 145132640, 195547136, 232212224, 244433920, 290265280, 464424448, 488867840, 580530560, 928848896, 977735680, 1161061120, 1857697792, 2322122240, 3715395584, 4644244480, 9288488960, 18576977920]

約数ペア:

[(1, 18576977920), (2, 9288488960), (4, 4644244480), (5, 3715395584), (8, 2322122240), (10, 1857697792), (16, 1161061120), (19, 977735680), (20, 928848896), (32, 580530560), (38, 488867840), (40, 464424448), (64, 290265280), (76, 244433920), (80, 232212224), (95, 195547136), (128, 145132640), (152, 122216960), (160, 116106112), (190, 97773568), (256, 72566320), (304, 61108480), (320, 58053056), (380, 48886784), (512, 36283160), (608, 30554240), (640, 29026528), (760, 24443392), (1024, 18141580), (1216, 15277120), (1280, 14513264), (1520, 12221696), (2048, 9070790), (2432, 7638560), (2560, 7256632), (3040, 6110848), (4096, 4535395), (4864, 3819280), (5120, 3628316), (6080, 3055424), (9728, 1909640), (10240, 1814158), (12160, 1527712), (19456, 954820), (20480, 907079), (24320, 763856), (38912, 477410), (47741, 389120), (48640, 381928), (77824, 238705), (95482, 194560), (97280, 190964)]