19802916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78583}}^1$

素因数の和:78600

約数の個数: 36

約数和(自身を含む): 57209152

約数和(自身を除く): 37406236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78583, 157166, 235749, 314332, 471498, 550081, 707247, 942996, 1100162, 1414494, 1650243, 2200324, 2828988, 3300486, 4950729, 6600972, 9901458, 19802916]

約数ペア:

[(1, 19802916), (2, 9901458), (3, 6600972), (4, 4950729), (6, 3300486), (7, 2828988), (9, 2200324), (12, 1650243), (14, 1414494), (18, 1100162), (21, 942996), (28, 707247), (36, 550081), (42, 471498), (63, 314332), (84, 235749), (126, 157166), (252, 78583)]