1817961990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{245339}}^1$

素因数の和:245381

約数の個数: 64

約数和(自身を含む): 4946054400

約数和(自身を除く): 3128092410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 7410, 245339, 490678, 736017, 1226695, 1472034, 2453390, 3189407, 3680085, 4661441, 6378814, 7360170, 9322882, 9568221, 13984323, 15947035, 19136442, 23307205, 27968646, 31894070, 46614410, 47841105, 60598733, 69921615, 95682210, 121197466, 139843230, 181796199, 302993665, 363592398, 605987330, 908980995, 1817961990]

約数ペア:

[(1, 1817961990), (2, 908980995), (3, 605987330), (5, 363592398), (6, 302993665), (10, 181796199), (13, 139843230), (15, 121197466), (19, 95682210), (26, 69921615), (30, 60598733), (38, 47841105), (39, 46614410), (57, 31894070), (65, 27968646), (78, 23307205), (95, 19136442), (114, 15947035), (130, 13984323), (190, 9568221), (195, 9322882), (247, 7360170), (285, 6378814), (390, 4661441), (494, 3680085), (570, 3189407), (741, 2453390), (1235, 1472034), (1482, 1226695), (2470, 736017), (3705, 490678), (7410, 245339)]