19730480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3203}}^1$

素因数の和:3234

約数の個数: 80

約数和(自身を含む): 57210624

約数和(自身を除く): 37480144

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 3203, 6160, 6406, 12812, 16015, 22421, 25624, 32030, 35233, 44842, 51248, 64060, 70466, 89684, 112105, 128120, 140932, 176165, 179368, 224210, 246631, 256240, 281864, 352330, 358736, 448420, 493262, 563728, 704660, 896840, 986524, 1233155, 1409320, 1793680, 1973048, 2466310, 2818640, 3946096, 4932620, 9865240, 19730480]

約数ペア:

[(1, 19730480), (2, 9865240), (4, 4932620), (5, 3946096), (7, 2818640), (8, 2466310), (10, 1973048), (11, 1793680), (14, 1409320), (16, 1233155), (20, 986524), (22, 896840), (28, 704660), (35, 563728), (40, 493262), (44, 448420), (55, 358736), (56, 352330), (70, 281864), (77, 256240), (80, 246631), (88, 224210), (110, 179368), (112, 176165), (140, 140932), (154, 128120), (176, 112105), (220, 89684), (280, 70466), (308, 64060), (385, 51248), (440, 44842), (560, 35233), (616, 32030), (770, 25624), (880, 22421), (1232, 16015), (1540, 12812), (3080, 6406), (3203, 6160)]