19860180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1733}}^1$

素因数の和:1936

約数の個数: 48

約数和(自身を含む): 55931904

約数和(自身を除く): 36071724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1733, 1910, 2292, 2865, 3466, 3820, 5199, 5730, 6932, 8665, 10398, 11460, 17330, 20796, 25995, 34660, 51990, 103980, 331003, 662006, 993009, 1324012, 1655015, 1986018, 3310030, 3972036, 4965045, 6620060, 9930090, 19860180]

約数ペア:

[(1, 19860180), (2, 9930090), (3, 6620060), (4, 4965045), (5, 3972036), (6, 3310030), (10, 1986018), (12, 1655015), (15, 1324012), (20, 993009), (30, 662006), (60, 331003), (191, 103980), (382, 51990), (573, 34660), (764, 25995), (955, 20796), (1146, 17330), (1733, 11460), (1910, 10398), (2292, 8665), (2865, 6932), (3466, 5730), (3820, 5199)]