19819080

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2039}}^1$

素因数の和:2065

約数の個数: 96

約数和(自身を含む): 66830400

約数和(自身を除く): 47011320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2039, 2430, 3240, 4078, 4860, 6117, 8156, 9720, 10195, 12234, 16312, 18351, 20390, 24468, 30585, 36702, 40780, 48936, 55053, 61170, 73404, 81560, 91755, 110106, 122340, 146808, 165159, 183510, 220212, 244680, 275265, 330318, 367020, 440424, 495477, 550530, 660636, 734040, 825795, 990954, 1101060, 1321272, 1651590, 1981908, 2202120, 2477385, 3303180, 3963816, 4954770, 6606360, 9909540, 19819080]

約数ペア:

[(1, 19819080), (2, 9909540), (3, 6606360), (4, 4954770), (5, 3963816), (6, 3303180), (8, 2477385), (9, 2202120), (10, 1981908), (12, 1651590), (15, 1321272), (18, 1101060), (20, 990954), (24, 825795), (27, 734040), (30, 660636), (36, 550530), (40, 495477), (45, 440424), (54, 367020), (60, 330318), (72, 275265), (81, 244680), (90, 220212), (108, 183510), (120, 165159), (135, 146808), (162, 122340), (180, 110106), (216, 91755), (243, 81560), (270, 73404), (324, 61170), (360, 55053), (405, 48936), (486, 40780), (540, 36702), (648, 30585), (810, 24468), (972, 20390), (1080, 18351), (1215, 16312), (1620, 12234), (1944, 10195), (2039, 9720), (2430, 8156), (3240, 6117), (4078, 4860)]