19000018654

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1\times {\mathrm{6637}}^1$

素因数の和:7044

約数の個数: 32

約数和(自身を含む): 29421740160

約数和(自身を除く): 10421721506

約数列:

[1, 2, 53, 106, 113, 226, 239, 478, 5989, 6637, 11978, 12667, 13274, 25334, 27007, 54014, 351761, 703522, 749981, 1431371, 1499962, 1586243, 2862742, 3172486, 39748993, 79497986, 84070879, 168141758, 179245459, 358490918, 9500009327, 19000018654]

約数ペア:

[(1, 19000018654), (2, 9500009327), (53, 358490918), (106, 179245459), (113, 168141758), (226, 84070879), (239, 79497986), (478, 39748993), (5989, 3172486), (6637, 2862742), (11978, 1586243), (12667, 1499962), (13274, 1431371), (25334, 749981), (27007, 703522), (54014, 351761)]