18925988380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{30727}}^1$

素因数の和:30875

約数の個数: 96

約数和(自身を含む): 45097887744

約数和(自身を除く): 26171899364

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 103, 115, 130, 206, 230, 260, 299, 412, 460, 515, 598, 1030, 1196, 1339, 1495, 2060, 2369, 2678, 2990, 4738, 5356, 5980, 6695, 9476, 11845, 13390, 23690, 26780, 30727, 30797, 47380, 61454, 61594, 122908, 123188, 153635, 153985, 307270, 307970, 399451, 614540, 615940, 706721, 798902, 1413442, 1597804, 1997255, 2826884, 3164881, 3533605, 3994510, 6329762, 7067210, 7989020, 9187373, 12659524, 14134420, 15824405, 18374746, 31648810, 36749492, 41143453, 45936865, 63297620, 72792263, 82286906, 91873730, 145584526, 164573812, 183747460, 205717265, 291169052, 363961315, 411434530, 727922630, 822869060, 946299419, 1455845260, 1892598838, 3785197676, 4731497095, 9462994190, 18925988380]

約数ペア:

[(1, 18925988380), (2, 9462994190), (4, 4731497095), (5, 3785197676), (10, 1892598838), (13, 1455845260), (20, 946299419), (23, 822869060), (26, 727922630), (46, 411434530), (52, 363961315), (65, 291169052), (92, 205717265), (103, 183747460), (115, 164573812), (130, 145584526), (206, 91873730), (230, 82286906), (260, 72792263), (299, 63297620), (412, 45936865), (460, 41143453), (515, 36749492), (598, 31648810), (1030, 18374746), (1196, 15824405), (1339, 14134420), (1495, 12659524), (2060, 9187373), (2369, 7989020), (2678, 7067210), (2990, 6329762), (4738, 3994510), (5356, 3533605), (5980, 3164881), (6695, 2826884), (9476, 1997255), (11845, 1597804), (13390, 1413442), (23690, 798902), (26780, 706721), (30727, 615940), (30797, 614540), (47380, 399451), (61454, 307970), (61594, 307270), (122908, 153985), (123188, 153635)]