19486320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1657}}^1$

素因数の和:1687

約数の個数: 120

約数和(自身を含む): 70312464

約数和(自身を除く): 50826144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1657, 1680, 1960, 2352, 2940, 3314, 3920, 4971, 5880, 6628, 8285, 9942, 11599, 11760, 13256, 16570, 19884, 23198, 24855, 26512, 33140, 34797, 39768, 46396, 49710, 57995, 66280, 69594, 79536, 81193, 92792, 99420, 115990, 132560, 139188, 162386, 173985, 185584, 198840, 231980, 243579, 278376, 324772, 347970, 397680, 405965, 463960, 487158, 556752, 649544, 695940, 811930, 927920, 974316, 1217895, 1299088, 1391880, 1623860, 1948632, 2435790, 2783760, 3247720, 3897264, 4871580, 6495440, 9743160, 19486320]

約数ペア:

[(1, 19486320), (2, 9743160), (3, 6495440), (4, 4871580), (5, 3897264), (6, 3247720), (7, 2783760), (8, 2435790), (10, 1948632), (12, 1623860), (14, 1391880), (15, 1299088), (16, 1217895), (20, 974316), (21, 927920), (24, 811930), (28, 695940), (30, 649544), (35, 556752), (40, 487158), (42, 463960), (48, 405965), (49, 397680), (56, 347970), (60, 324772), (70, 278376), (80, 243579), (84, 231980), (98, 198840), (105, 185584), (112, 173985), (120, 162386), (140, 139188), (147, 132560), (168, 115990), (196, 99420), (210, 92792), (240, 81193), (245, 79536), (280, 69594), (294, 66280), (336, 57995), (392, 49710), (420, 46396), (490, 39768), (560, 34797), (588, 33140), (735, 26512), (784, 24855), (840, 23198), (980, 19884), (1176, 16570), (1470, 13256), (1657, 11760), (1680, 11599), (1960, 9942), (2352, 8285), (2940, 6628), (3314, 5880), (3920, 4971)]