19496960

素因数分解:

$2^{15}\times 5^1\times 7^1\times {\mathrm{17}}^1$

素因数の和:59

約数の個数: 128

約数和(自身を含む): 56622240

約数和(自身を除く): 37125280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 512, 544, 560, 595, 640, 680, 896, 952, 1024, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 2048, 2176, 2240, 2380, 2560, 2720, 3584, 3808, 4096, 4352, 4480, 4760, 5120, 5440, 7168, 7616, 8192, 8704, 8960, 9520, 10240, 10880, 14336, 15232, 16384, 17408, 17920, 19040, 20480, 21760, 28672, 30464, 32768, 34816, 35840, 38080, 40960, 43520, 57344, 60928, 69632, 71680, 76160, 81920, 87040, 114688, 121856, 139264, 143360, 152320, 163840, 174080, 229376, 243712, 278528, 286720, 304640, 348160, 487424, 557056, 573440, 609280, 696320, 974848, 1146880, 1218560, 1392640, 1949696, 2437120, 2785280, 3899392, 4874240, 9748480, 19496960]

約数ペア:

[(1, 19496960), (2, 9748480), (4, 4874240), (5, 3899392), (7, 2785280), (8, 2437120), (10, 1949696), (14, 1392640), (16, 1218560), (17, 1146880), (20, 974848), (28, 696320), (32, 609280), (34, 573440), (35, 557056), (40, 487424), (56, 348160), (64, 304640), (68, 286720), (70, 278528), (80, 243712), (85, 229376), (112, 174080), (119, 163840), (128, 152320), (136, 143360), (140, 139264), (160, 121856), (170, 114688), (224, 87040), (238, 81920), (256, 76160), (272, 71680), (280, 69632), (320, 60928), (340, 57344), (448, 43520), (476, 40960), (512, 38080), (544, 35840), (560, 34816), (595, 32768), (640, 30464), (680, 28672), (896, 21760), (952, 20480), (1024, 19040), (1088, 17920), (1120, 17408), (1190, 16384), (1280, 15232), (1360, 14336), (1792, 10880), (1904, 10240), (2048, 9520), (2176, 8960), (2240, 8704), (2380, 8192), (2560, 7616), (2720, 7168), (3584, 5440), (3808, 5120), (4096, 4760), (4352, 4480)]