19178250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 59125248

約数和(自身を除く): 39946998

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 125, 130, 150, 175, 182, 195, 210, 250, 273, 281, 325, 350, 375, 390, 455, 525, 546, 562, 650, 750, 843, 875, 910, 975, 1050, 1365, 1405, 1625, 1686, 1750, 1950, 1967, 2275, 2625, 2730, 2810, 3250, 3653, 3934, 4215, 4550, 4875, 5250, 5901, 6825, 7025, 7306, 8430, 9750, 9835, 10959, 11375, 11802, 13650, 14050, 18265, 19670, 21075, 21918, 22750, 25571, 29505, 34125, 35125, 36530, 42150, 49175, 51142, 54795, 59010, 68250, 70250, 76713, 91325, 98350, 105375, 109590, 127855, 147525, 153426, 182650, 210750, 245875, 255710, 273975, 295050, 383565, 456625, 491750, 547950, 639275, 737625, 767130, 913250, 1278550, 1369875, 1475250, 1917825, 2739750, 3196375, 3835650, 6392750, 9589125, 19178250]

約数ペア:

[(1, 19178250), (2, 9589125), (3, 6392750), (5, 3835650), (6, 3196375), (7, 2739750), (10, 1917825), (13, 1475250), (14, 1369875), (15, 1278550), (21, 913250), (25, 767130), (26, 737625), (30, 639275), (35, 547950), (39, 491750), (42, 456625), (50, 383565), (65, 295050), (70, 273975), (75, 255710), (78, 245875), (91, 210750), (105, 182650), (125, 153426), (130, 147525), (150, 127855), (175, 109590), (182, 105375), (195, 98350), (210, 91325), (250, 76713), (273, 70250), (281, 68250), (325, 59010), (350, 54795), (375, 51142), (390, 49175), (455, 42150), (525, 36530), (546, 35125), (562, 34125), (650, 29505), (750, 25571), (843, 22750), (875, 21918), (910, 21075), (975, 19670), (1050, 18265), (1365, 14050), (1405, 13650), (1625, 11802), (1686, 11375), (1750, 10959), (1950, 9835), (1967, 9750), (2275, 8430), (2625, 7306), (2730, 7025), (2810, 6825), (3250, 5901), (3653, 5250), (3934, 4875), (4215, 4550)]