19541760

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{727}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 71425536

約数和(自身を除く): 51883776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 727, 768, 840, 896, 960, 1120, 1280, 1344, 1454, 1680, 1792, 1920, 2181, 2240, 2688, 2908, 3360, 3635, 3840, 4362, 4480, 5089, 5376, 5816, 6720, 7270, 8724, 8960, 10178, 10905, 11632, 13440, 14540, 15267, 17448, 20356, 21810, 23264, 25445, 26880, 29080, 30534, 34896, 40712, 43620, 46528, 50890, 58160, 61068, 69792, 76335, 81424, 87240, 93056, 101780, 116320, 122136, 139584, 152670, 162848, 174480, 186112, 203560, 232640, 244272, 279168, 305340, 325696, 348960, 407120, 465280, 488544, 558336, 610680, 651392, 697920, 814240, 930560, 977088, 1221360, 1302784, 1395840, 1628480, 1954176, 2442720, 2791680, 3256960, 3908352, 4885440, 6513920, 9770880, 19541760]

約数ペア:

[(1, 19541760), (2, 9770880), (3, 6513920), (4, 4885440), (5, 3908352), (6, 3256960), (7, 2791680), (8, 2442720), (10, 1954176), (12, 1628480), (14, 1395840), (15, 1302784), (16, 1221360), (20, 977088), (21, 930560), (24, 814240), (28, 697920), (30, 651392), (32, 610680), (35, 558336), (40, 488544), (42, 465280), (48, 407120), (56, 348960), (60, 325696), (64, 305340), (70, 279168), (80, 244272), (84, 232640), (96, 203560), (105, 186112), (112, 174480), (120, 162848), (128, 152670), (140, 139584), (160, 122136), (168, 116320), (192, 101780), (210, 93056), (224, 87240), (240, 81424), (256, 76335), (280, 69792), (320, 61068), (336, 58160), (384, 50890), (420, 46528), (448, 43620), (480, 40712), (560, 34896), (640, 30534), (672, 29080), (727, 26880), (768, 25445), (840, 23264), (896, 21810), (960, 20356), (1120, 17448), (1280, 15267), (1344, 14540), (1454, 13440), (1680, 11632), (1792, 10905), (1920, 10178), (2181, 8960), (2240, 8724), (2688, 7270), (2908, 6720), (3360, 5816), (3635, 5376), (3840, 5089), (4362, 4480)]