19264980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45869}}^1$

素因数の和:45888

約数の個数: 48

約数和(自身を含む): 61649280

約数和(自身を除く): 42384300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45869, 91738, 137607, 183476, 229345, 275214, 321083, 458690, 550428, 642166, 688035, 917380, 963249, 1284332, 1376070, 1605415, 1926498, 2752140, 3210830, 3852996, 4816245, 6421660, 9632490, 19264980]

約数ペア:

[(1, 19264980), (2, 9632490), (3, 6421660), (4, 4816245), (5, 3852996), (6, 3210830), (7, 2752140), (10, 1926498), (12, 1605415), (14, 1376070), (15, 1284332), (20, 963249), (21, 917380), (28, 688035), (30, 642166), (35, 550428), (42, 458690), (60, 321083), (70, 275214), (84, 229345), (105, 183476), (140, 137607), (210, 91738), (420, 45869)]