19512640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:336

約数の個数: 112

約数和(自身を含む): 55010304

約数和(自身を除く): 35497664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 281, 310, 320, 434, 448, 496, 560, 562, 620, 868, 992, 1085, 1120, 1124, 1240, 1405, 1736, 1967, 1984, 2170, 2240, 2248, 2480, 2810, 3472, 3934, 4340, 4496, 4960, 5620, 6944, 7868, 8680, 8711, 8992, 9835, 9920, 11240, 13888, 15736, 17360, 17422, 17984, 19670, 22480, 31472, 34720, 34844, 39340, 43555, 44960, 60977, 62944, 69440, 69688, 78680, 87110, 89920, 121954, 125888, 139376, 157360, 174220, 243908, 278752, 304885, 314720, 348440, 487816, 557504, 609770, 629440, 696880, 975632, 1219540, 1393760, 1951264, 2439080, 2787520, 3902528, 4878160, 9756320, 19512640]

約数ペア:

[(1, 19512640), (2, 9756320), (4, 4878160), (5, 3902528), (7, 2787520), (8, 2439080), (10, 1951264), (14, 1393760), (16, 1219540), (20, 975632), (28, 696880), (31, 629440), (32, 609770), (35, 557504), (40, 487816), (56, 348440), (62, 314720), (64, 304885), (70, 278752), (80, 243908), (112, 174220), (124, 157360), (140, 139376), (155, 125888), (160, 121954), (217, 89920), (224, 87110), (248, 78680), (280, 69688), (281, 69440), (310, 62944), (320, 60977), (434, 44960), (448, 43555), (496, 39340), (560, 34844), (562, 34720), (620, 31472), (868, 22480), (992, 19670), (1085, 17984), (1120, 17422), (1124, 17360), (1240, 15736), (1405, 13888), (1736, 11240), (1967, 9920), (1984, 9835), (2170, 8992), (2240, 8711), (2248, 8680), (2480, 7868), (2810, 6944), (3472, 5620), (3934, 4960), (4340, 4496)]