19832220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 40708260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 461, 478, 717, 922, 956, 1195, 1383, 1434, 1844, 2151, 2305, 2390, 2766, 2868, 3585, 4149, 4302, 4610, 4780, 5532, 6915, 7170, 8298, 8604, 9220, 10755, 13830, 14340, 16596, 20745, 21510, 27660, 41490, 43020, 82980, 110179, 220358, 330537, 440716, 550895, 661074, 991611, 1101790, 1322148, 1652685, 1983222, 2203580, 3305370, 3966444, 4958055, 6610740, 9916110, 19832220]

約数ペア:

[(1, 19832220), (2, 9916110), (3, 6610740), (4, 4958055), (5, 3966444), (6, 3305370), (9, 2203580), (10, 1983222), (12, 1652685), (15, 1322148), (18, 1101790), (20, 991611), (30, 661074), (36, 550895), (45, 440716), (60, 330537), (90, 220358), (180, 110179), (239, 82980), (461, 43020), (478, 41490), (717, 27660), (922, 21510), (956, 20745), (1195, 16596), (1383, 14340), (1434, 13830), (1844, 10755), (2151, 9220), (2305, 8604), (2390, 8298), (2766, 7170), (2868, 6915), (3585, 5532), (4149, 4780), (4302, 4610)]