19264140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15289}}^1$

素因数の和:15311

約数の個数: 72

約数和(自身を含む): 66786720

約数和(自身を除く): 47522580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15289, 30578, 45867, 61156, 76445, 91734, 107023, 137601, 152890, 183468, 214046, 229335, 275202, 305780, 321069, 428092, 458670, 535115, 550404, 642138, 688005, 917340, 963207, 1070230, 1284276, 1376010, 1605345, 1926414, 2140460, 2752020, 3210690, 3852828, 4816035, 6421380, 9632070, 19264140]

約数ペア:

[(1, 19264140), (2, 9632070), (3, 6421380), (4, 4816035), (5, 3852828), (6, 3210690), (7, 2752020), (9, 2140460), (10, 1926414), (12, 1605345), (14, 1376010), (15, 1284276), (18, 1070230), (20, 963207), (21, 917340), (28, 688005), (30, 642138), (35, 550404), (36, 535115), (42, 458670), (45, 428092), (60, 321069), (63, 305780), (70, 275202), (84, 229335), (90, 214046), (105, 183468), (126, 152890), (140, 137601), (180, 107023), (210, 91734), (252, 76445), (315, 61156), (420, 45867), (630, 30578), (1260, 15289)]