19285560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2551}}^1$

素因数の和:2578

約数の個数: 128

約数和(自身を含む): 73497600

約数和(自身を除く): 54212040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 2551, 3780, 5102, 7560, 7653, 10204, 12755, 15306, 17857, 20408, 22959, 25510, 30612, 35714, 38265, 45918, 51020, 53571, 61224, 68877, 71428, 76530, 89285, 91836, 102040, 107142, 114795, 137754, 142856, 153060, 160713, 178570, 183672, 214284, 229590, 267855, 275508, 306120, 321426, 344385, 357140, 428568, 459180, 482139, 535710, 551016, 642852, 688770, 714280, 803565, 918360, 964278, 1071420, 1285704, 1377540, 1607130, 1928556, 2142840, 2410695, 2755080, 3214260, 3857112, 4821390, 6428520, 9642780, 19285560]

約数ペア:

[(1, 19285560), (2, 9642780), (3, 6428520), (4, 4821390), (5, 3857112), (6, 3214260), (7, 2755080), (8, 2410695), (9, 2142840), (10, 1928556), (12, 1607130), (14, 1377540), (15, 1285704), (18, 1071420), (20, 964278), (21, 918360), (24, 803565), (27, 714280), (28, 688770), (30, 642852), (35, 551016), (36, 535710), (40, 482139), (42, 459180), (45, 428568), (54, 357140), (56, 344385), (60, 321426), (63, 306120), (70, 275508), (72, 267855), (84, 229590), (90, 214284), (105, 183672), (108, 178570), (120, 160713), (126, 153060), (135, 142856), (140, 137754), (168, 114795), (180, 107142), (189, 102040), (210, 91836), (216, 89285), (252, 76530), (270, 71428), (280, 68877), (315, 61224), (360, 53571), (378, 51020), (420, 45918), (504, 38265), (540, 35714), (630, 30612), (756, 25510), (840, 22959), (945, 20408), (1080, 17857), (1260, 15306), (1512, 12755), (1890, 10204), (2520, 7653), (2551, 7560), (3780, 5102)]