18993240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7537}}^1$

素因数の和:7561

約数の個数: 96

約数和(自身を含む): 70555680

約数和(自身を除く): 51562440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7537, 15074, 22611, 30148, 37685, 45222, 52759, 60296, 67833, 75370, 90444, 105518, 113055, 135666, 150740, 158277, 180888, 211036, 226110, 263795, 271332, 301480, 316554, 339165, 422072, 452220, 474831, 527590, 542664, 633108, 678330, 791385, 904440, 949662, 1055180, 1266216, 1356660, 1582770, 1899324, 2110360, 2374155, 2713320, 3165540, 3798648, 4748310, 6331080, 9496620, 18993240]

約数ペア:

[(1, 18993240), (2, 9496620), (3, 6331080), (4, 4748310), (5, 3798648), (6, 3165540), (7, 2713320), (8, 2374155), (9, 2110360), (10, 1899324), (12, 1582770), (14, 1356660), (15, 1266216), (18, 1055180), (20, 949662), (21, 904440), (24, 791385), (28, 678330), (30, 633108), (35, 542664), (36, 527590), (40, 474831), (42, 452220), (45, 422072), (56, 339165), (60, 316554), (63, 301480), (70, 271332), (72, 263795), (84, 226110), (90, 211036), (105, 180888), (120, 158277), (126, 150740), (140, 135666), (168, 113055), (180, 105518), (210, 90444), (252, 75370), (280, 67833), (315, 60296), (360, 52759), (420, 45222), (504, 37685), (630, 30148), (840, 22611), (1260, 15074), (2520, 7537)]