18209970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6977}}^1$

素因数の和:7019

約数の個数: 48

約数和(自身を含む): 48985560

約数和(自身を除く): 30775590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 6977, 13954, 20931, 34885, 41862, 62793, 69770, 104655, 125586, 202333, 209310, 313965, 404666, 606999, 627930, 1011665, 1213998, 1820997, 2023330, 3034995, 3641994, 6069990, 9104985, 18209970]

約数ペア:

[(1, 18209970), (2, 9104985), (3, 6069990), (5, 3641994), (6, 3034995), (9, 2023330), (10, 1820997), (15, 1213998), (18, 1011665), (29, 627930), (30, 606999), (45, 404666), (58, 313965), (87, 209310), (90, 202333), (145, 125586), (174, 104655), (261, 69770), (290, 62793), (435, 41862), (522, 34885), (870, 20931), (1305, 13954), (2610, 6977)]