19392840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 63760320

約数和(自身を除く): 44367480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 103, 120, 180, 206, 309, 360, 412, 515, 523, 618, 824, 927, 1030, 1046, 1236, 1545, 1569, 1854, 2060, 2092, 2472, 2615, 3090, 3138, 3708, 4120, 4184, 4635, 4707, 5230, 6180, 6276, 7416, 7845, 9270, 9414, 10460, 12360, 12552, 15690, 18540, 18828, 20920, 23535, 31380, 37080, 37656, 47070, 53869, 62760, 94140, 107738, 161607, 188280, 215476, 269345, 323214, 430952, 484821, 538690, 646428, 808035, 969642, 1077380, 1292856, 1616070, 1939284, 2154760, 2424105, 3232140, 3878568, 4848210, 6464280, 9696420, 19392840]

約数ペア:

[(1, 19392840), (2, 9696420), (3, 6464280), (4, 4848210), (5, 3878568), (6, 3232140), (8, 2424105), (9, 2154760), (10, 1939284), (12, 1616070), (15, 1292856), (18, 1077380), (20, 969642), (24, 808035), (30, 646428), (36, 538690), (40, 484821), (45, 430952), (60, 323214), (72, 269345), (90, 215476), (103, 188280), (120, 161607), (180, 107738), (206, 94140), (309, 62760), (360, 53869), (412, 47070), (515, 37656), (523, 37080), (618, 31380), (824, 23535), (927, 20920), (1030, 18828), (1046, 18540), (1236, 15690), (1545, 12552), (1569, 12360), (1854, 10460), (2060, 9414), (2092, 9270), (2472, 7845), (2615, 7416), (3090, 6276), (3138, 6180), (3708, 5230), (4120, 4707), (4184, 4635)]