19312640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 104

約数和(自身を含む): 49539168

約数和(自身を除く): 30226528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 64, 80, 82, 92, 115, 128, 160, 164, 184, 205, 230, 256, 320, 328, 368, 410, 460, 512, 640, 656, 736, 820, 920, 943, 1024, 1280, 1312, 1472, 1640, 1840, 1886, 2048, 2560, 2624, 2944, 3280, 3680, 3772, 4096, 4715, 5120, 5248, 5888, 6560, 7360, 7544, 9430, 10240, 10496, 11776, 13120, 14720, 15088, 18860, 20480, 20992, 23552, 26240, 29440, 30176, 37720, 41984, 47104, 52480, 58880, 60352, 75440, 83968, 94208, 104960, 117760, 120704, 150880, 167936, 209920, 235520, 241408, 301760, 419840, 471040, 482816, 603520, 839680, 965632, 1207040, 1931264, 2414080, 3862528, 4828160, 9656320, 19312640]

約数ペア:

[(1, 19312640), (2, 9656320), (4, 4828160), (5, 3862528), (8, 2414080), (10, 1931264), (16, 1207040), (20, 965632), (23, 839680), (32, 603520), (40, 482816), (41, 471040), (46, 419840), (64, 301760), (80, 241408), (82, 235520), (92, 209920), (115, 167936), (128, 150880), (160, 120704), (164, 117760), (184, 104960), (205, 94208), (230, 83968), (256, 75440), (320, 60352), (328, 58880), (368, 52480), (410, 47104), (460, 41984), (512, 37720), (640, 30176), (656, 29440), (736, 26240), (820, 23552), (920, 20992), (943, 20480), (1024, 18860), (1280, 15088), (1312, 14720), (1472, 13120), (1640, 11776), (1840, 10496), (1886, 10240), (2048, 9430), (2560, 7544), (2624, 7360), (2944, 6560), (3280, 5888), (3680, 5248), (3772, 5120), (4096, 4715)]