2019689990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6515129}}^1$

素因数の和:6515167

約数の個数: 16

約数和(自身を含む): 3752714880

約数和(自身を除く): 1733024890

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6515129, 13030258, 32575645, 65151290, 201968999, 403937998, 1009844995, 2019689990]

約数ペア:

[(1, 2019689990), (2, 1009844995), (5, 403937998), (10, 201968999), (31, 65151290), (62, 32575645), (155, 13030258), (310, 6515129)]