12381990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1523}}^1$

素因数の和:1804

約数の個数: 32

約数和(自身を含む): 29846016

約数和(自身を除く): 17464026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 271, 542, 813, 1355, 1523, 1626, 2710, 3046, 4065, 4569, 7615, 8130, 9138, 15230, 22845, 45690, 412733, 825466, 1238199, 2063665, 2476398, 4127330, 6190995, 12381990]

約数ペア:

[(1, 12381990), (2, 6190995), (3, 4127330), (5, 2476398), (6, 2063665), (10, 1238199), (15, 825466), (30, 412733), (271, 45690), (542, 22845), (813, 15230), (1355, 9138), (1523, 8130), (1626, 7615), (2710, 4569), (3046, 4065)]