19198179

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 37250304

約数和(自身を除く): 18052125

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2131, 3003, 6393, 9009, 14917, 19179, 23441, 27703, 44751, 70323, 83109, 134253, 164087, 193921, 210969, 249327, 304733, 492261, 581763, 914199, 1476783, 1745289, 2133131, 2742597, 6399393, 19198179]

約数ペア:

[(1, 19198179), (3, 6399393), (7, 2742597), (9, 2133131), (11, 1745289), (13, 1476783), (21, 914199), (33, 581763), (39, 492261), (63, 304733), (77, 249327), (91, 210969), (99, 193921), (117, 164087), (143, 134253), (231, 83109), (273, 70323), (429, 44751), (693, 27703), (819, 23441), (1001, 19179), (1287, 14917), (2131, 9009), (3003, 6393)]