18884784

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{20707}}^1$

素因数の和:20737

約数の個数: 40

約数和(自身を含む): 51355840

約数和(自身を除く): 32471056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 20707, 41414, 62121, 82828, 124242, 165656, 248484, 331312, 393433, 496968, 786866, 993936, 1180299, 1573732, 2360598, 3147464, 4721196, 6294928, 9442392, 18884784]

約数ペア:

[(1, 18884784), (2, 9442392), (3, 6294928), (4, 4721196), (6, 3147464), (8, 2360598), (12, 1573732), (16, 1180299), (19, 993936), (24, 786866), (38, 496968), (48, 393433), (57, 331312), (76, 248484), (114, 165656), (152, 124242), (228, 82828), (304, 62121), (456, 41414), (912, 20707)]