19737280

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1721

約数の個数: 56

約数和(自身を含む): 48298608

約数和(自身を除く): 28561328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 1667, 2368, 2960, 3334, 5920, 6668, 8335, 11840, 13336, 16670, 26672, 33340, 53344, 61679, 66680, 106688, 123358, 133360, 246716, 266720, 308395, 493432, 533440, 616790, 986864, 1233580, 1973728, 2467160, 3947456, 4934320, 9868640, 19737280]

約数ペア:

[(1, 19737280), (2, 9868640), (4, 4934320), (5, 3947456), (8, 2467160), (10, 1973728), (16, 1233580), (20, 986864), (32, 616790), (37, 533440), (40, 493432), (64, 308395), (74, 266720), (80, 246716), (148, 133360), (160, 123358), (185, 106688), (296, 66680), (320, 61679), (370, 53344), (592, 33340), (740, 26672), (1184, 16670), (1480, 13336), (1667, 11840), (2368, 8335), (2960, 6668), (3334, 5920)]