9865180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 23496480

約数和(自身を除く): 13631300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1997, 2470, 3994, 4940, 7988, 9985, 19970, 25961, 37943, 39940, 51922, 75886, 103844, 129805, 151772, 189715, 259610, 379430, 493259, 519220, 758860, 986518, 1973036, 2466295, 4932590, 9865180]

約数ペア:

[(1, 9865180), (2, 4932590), (4, 2466295), (5, 1973036), (10, 986518), (13, 758860), (19, 519220), (20, 493259), (26, 379430), (38, 259610), (52, 189715), (65, 151772), (76, 129805), (95, 103844), (130, 75886), (190, 51922), (247, 39940), (260, 37943), (380, 25961), (494, 19970), (988, 9985), (1235, 7988), (1997, 4940), (2470, 3994)]