19197920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 52871616

約数和(自身を除く): 33673696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 281, 305, 427, 488, 560, 562, 610, 854, 976, 1120, 1124, 1220, 1405, 1708, 1952, 1967, 2135, 2248, 2440, 2810, 3416, 3934, 4270, 4496, 4880, 5620, 6832, 7868, 8540, 8992, 9760, 9835, 11240, 13664, 15736, 17080, 17141, 19670, 22480, 31472, 34160, 34282, 39340, 44960, 62944, 68320, 68564, 78680, 85705, 119987, 137128, 157360, 171410, 239974, 274256, 314720, 342820, 479948, 548512, 599935, 685640, 959896, 1199870, 1371280, 1919792, 2399740, 2742560, 3839584, 4799480, 9598960, 19197920]

約数ペア:

[(1, 19197920), (2, 9598960), (4, 4799480), (5, 3839584), (7, 2742560), (8, 2399740), (10, 1919792), (14, 1371280), (16, 1199870), (20, 959896), (28, 685640), (32, 599935), (35, 548512), (40, 479948), (56, 342820), (61, 314720), (70, 274256), (80, 239974), (112, 171410), (122, 157360), (140, 137128), (160, 119987), (224, 85705), (244, 78680), (280, 68564), (281, 68320), (305, 62944), (427, 44960), (488, 39340), (560, 34282), (562, 34160), (610, 31472), (854, 22480), (976, 19670), (1120, 17141), (1124, 17080), (1220, 15736), (1405, 13664), (1708, 11240), (1952, 9835), (1967, 9760), (2135, 8992), (2248, 8540), (2440, 7868), (2810, 6832), (3416, 5620), (3934, 4880), (4270, 4496)]