19185720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2621}}^1$

素因数の和:2696

約数の個数: 64

約数和(自身を含む): 58523040

約数和(自身を除く): 39337320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2621, 3660, 5242, 7320, 7863, 10484, 13105, 15726, 20968, 26210, 31452, 39315, 52420, 62904, 78630, 104840, 157260, 159881, 314520, 319762, 479643, 639524, 799405, 959286, 1279048, 1598810, 1918572, 2398215, 3197620, 3837144, 4796430, 6395240, 9592860, 19185720]

約数ペア:

[(1, 19185720), (2, 9592860), (3, 6395240), (4, 4796430), (5, 3837144), (6, 3197620), (8, 2398215), (10, 1918572), (12, 1598810), (15, 1279048), (20, 959286), (24, 799405), (30, 639524), (40, 479643), (60, 319762), (61, 314520), (120, 159881), (122, 157260), (183, 104840), (244, 78630), (305, 62904), (366, 52420), (488, 39315), (610, 31452), (732, 26210), (915, 20968), (1220, 15726), (1464, 13105), (1830, 10484), (2440, 7863), (2621, 7320), (3660, 5242)]