19040450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2663}}^1$

素因数の和:2699

約数の個数: 48

約数和(自身を含む): 41622336

約数和(自身を除く): 22581886

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2663, 3575, 5326, 7150, 13315, 26630, 29293, 34619, 58586, 66575, 69238, 133150, 146465, 173095, 292930, 346190, 380809, 732325, 761618, 865475, 1464650, 1730950, 1904045, 3808090, 9520225, 19040450]

約数ペア:

[(1, 19040450), (2, 9520225), (5, 3808090), (10, 1904045), (11, 1730950), (13, 1464650), (22, 865475), (25, 761618), (26, 732325), (50, 380809), (55, 346190), (65, 292930), (110, 173095), (130, 146465), (143, 133150), (275, 69238), (286, 66575), (325, 58586), (550, 34619), (650, 29293), (715, 26630), (1430, 13315), (2663, 7150), (3575, 5326)]