19671360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 112

約数和(自身を含む): 64568832

約数和(自身を除く): 44897472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 661, 744, 930, 960, 992, 1240, 1322, 1488, 1860, 1983, 1984, 2480, 2644, 2976, 3305, 3720, 3966, 4960, 5288, 5952, 6610, 7440, 7932, 9915, 9920, 10576, 13220, 14880, 15864, 19830, 20491, 21152, 26440, 29760, 31728, 39660, 40982, 42304, 52880, 61473, 63456, 79320, 81964, 102455, 105760, 122946, 126912, 158640, 163928, 204910, 211520, 245892, 307365, 317280, 327856, 409820, 491784, 614730, 634560, 655712, 819640, 983568, 1229460, 1311424, 1639280, 1967136, 2458920, 3278560, 3934272, 4917840, 6557120, 9835680, 19671360]

約数ペア:

[(1, 19671360), (2, 9835680), (3, 6557120), (4, 4917840), (5, 3934272), (6, 3278560), (8, 2458920), (10, 1967136), (12, 1639280), (15, 1311424), (16, 1229460), (20, 983568), (24, 819640), (30, 655712), (31, 634560), (32, 614730), (40, 491784), (48, 409820), (60, 327856), (62, 317280), (64, 307365), (80, 245892), (93, 211520), (96, 204910), (120, 163928), (124, 158640), (155, 126912), (160, 122946), (186, 105760), (192, 102455), (240, 81964), (248, 79320), (310, 63456), (320, 61473), (372, 52880), (465, 42304), (480, 40982), (496, 39660), (620, 31728), (661, 29760), (744, 26440), (930, 21152), (960, 20491), (992, 19830), (1240, 15864), (1322, 14880), (1488, 13220), (1860, 10576), (1983, 9920), (1984, 9915), (2480, 7932), (2644, 7440), (2976, 6610), (3305, 5952), (3720, 5288), (3966, 4960)]