19904844

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1759}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29769396

約数列:

[1, 2, 3, 4, 6, 12, 23, 41, 46, 69, 82, 92, 123, 138, 164, 246, 276, 492, 943, 1759, 1886, 2829, 3518, 3772, 5277, 5658, 7036, 10554, 11316, 21108, 40457, 72119, 80914, 121371, 144238, 161828, 216357, 242742, 288476, 432714, 485484, 865428, 1658737, 3317474, 4976211, 6634948, 9952422, 19904844]

約数ペア:

[(1, 19904844), (2, 9952422), (3, 6634948), (4, 4976211), (6, 3317474), (12, 1658737), (23, 865428), (41, 485484), (46, 432714), (69, 288476), (82, 242742), (92, 216357), (123, 161828), (138, 144238), (164, 121371), (246, 80914), (276, 72119), (492, 40457), (943, 21108), (1759, 11316), (1886, 10554), (2829, 7036), (3518, 5658), (3772, 5277)]