19813320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1235

約数の個数: 96

約数和(自身を含む): 65819520

約数和(自身を除く): 46006200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1171, 1410, 1692, 1880, 2115, 2342, 2820, 3384, 3513, 4230, 4684, 5640, 5855, 7026, 8460, 9368, 10539, 11710, 14052, 16920, 17565, 21078, 23420, 28104, 35130, 42156, 46840, 52695, 55037, 70260, 84312, 105390, 110074, 140520, 165111, 210780, 220148, 275185, 330222, 421560, 440296, 495333, 550370, 660444, 825555, 990666, 1100740, 1320888, 1651110, 1981332, 2201480, 2476665, 3302220, 3962664, 4953330, 6604440, 9906660, 19813320]

約数ペア:

[(1, 19813320), (2, 9906660), (3, 6604440), (4, 4953330), (5, 3962664), (6, 3302220), (8, 2476665), (9, 2201480), (10, 1981332), (12, 1651110), (15, 1320888), (18, 1100740), (20, 990666), (24, 825555), (30, 660444), (36, 550370), (40, 495333), (45, 440296), (47, 421560), (60, 330222), (72, 275185), (90, 220148), (94, 210780), (120, 165111), (141, 140520), (180, 110074), (188, 105390), (235, 84312), (282, 70260), (360, 55037), (376, 52695), (423, 46840), (470, 42156), (564, 35130), (705, 28104), (846, 23420), (940, 21078), (1128, 17565), (1171, 16920), (1410, 14052), (1692, 11710), (1880, 10539), (2115, 9368), (2342, 8460), (2820, 7026), (3384, 5855), (3513, 5640), (4230, 4684)]