19956180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14461}}^1$

素因数の和:14496

約数の個数: 48

約数和(自身を含む): 58310784

約数和(自身を除く): 38354604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14461, 28922, 43383, 57844, 72305, 86766, 144610, 173532, 216915, 289220, 332603, 433830, 665206, 867660, 997809, 1330412, 1663015, 1995618, 3326030, 3991236, 4989045, 6652060, 9978090, 19956180]

約数ペア:

[(1, 19956180), (2, 9978090), (3, 6652060), (4, 4989045), (5, 3991236), (6, 3326030), (10, 1995618), (12, 1663015), (15, 1330412), (20, 997809), (23, 867660), (30, 665206), (46, 433830), (60, 332603), (69, 289220), (92, 216915), (115, 173532), (138, 144610), (230, 86766), (276, 72305), (345, 57844), (460, 43383), (690, 28922), (1380, 14461)]