19350180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 59105592

約数和(自身を除く): 39755412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 557, 579, 772, 965, 1114, 1158, 1671, 1737, 1930, 2228, 2316, 2785, 2895, 3342, 3474, 3860, 5013, 5570, 5790, 6684, 6948, 8355, 8685, 10026, 11140, 11580, 16710, 17370, 20052, 25065, 33420, 34740, 50130, 100260, 107501, 215002, 322503, 430004, 537505, 645006, 967509, 1075010, 1290012, 1612515, 1935018, 2150020, 3225030, 3870036, 4837545, 6450060, 9675090, 19350180]

約数ペア:

[(1, 19350180), (2, 9675090), (3, 6450060), (4, 4837545), (5, 3870036), (6, 3225030), (9, 2150020), (10, 1935018), (12, 1612515), (15, 1290012), (18, 1075010), (20, 967509), (30, 645006), (36, 537505), (45, 430004), (60, 322503), (90, 215002), (180, 107501), (193, 100260), (386, 50130), (557, 34740), (579, 33420), (772, 25065), (965, 20052), (1114, 17370), (1158, 16710), (1671, 11580), (1737, 11140), (1930, 10026), (2228, 8685), (2316, 8355), (2785, 6948), (2895, 6684), (3342, 5790), (3474, 5570), (3860, 5013)]