19761210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4481}}^1$

素因数の和:4508

約数の個数: 72

約数和(自身を含む): 59780916

約数和(自身を除く): 40019706

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4481, 8962, 13443, 22405, 26886, 31367, 40329, 44810, 62734, 67215, 80658, 94101, 134430, 156835, 188202, 201645, 219569, 282303, 313670, 403290, 439138, 470505, 564606, 658707, 941010, 1097845, 1317414, 1411515, 1976121, 2195690, 2823030, 3293535, 3952242, 6587070, 9880605, 19761210]

約数ペア:

[(1, 19761210), (2, 9880605), (3, 6587070), (5, 3952242), (6, 3293535), (7, 2823030), (9, 2195690), (10, 1976121), (14, 1411515), (15, 1317414), (18, 1097845), (21, 941010), (30, 658707), (35, 564606), (42, 470505), (45, 439138), (49, 403290), (63, 313670), (70, 282303), (90, 219569), (98, 201645), (105, 188202), (126, 156835), (147, 134430), (210, 94101), (245, 80658), (294, 67215), (315, 62734), (441, 44810), (490, 40329), (630, 31367), (735, 26886), (882, 22405), (1470, 13443), (2205, 8962), (4410, 4481)]