17993950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 39997440

約数和(自身を除く): 22003490

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 31, 38, 47, 50, 62, 65, 94, 95, 130, 155, 190, 235, 247, 310, 325, 403, 470, 475, 494, 589, 611, 650, 775, 806, 893, 950, 1175, 1178, 1222, 1235, 1457, 1550, 1786, 2015, 2350, 2470, 2914, 2945, 3055, 4030, 4465, 5890, 6110, 6175, 7285, 7657, 8930, 10075, 11609, 12350, 14570, 14725, 15275, 15314, 18941, 20150, 22325, 23218, 27683, 29450, 30550, 36425, 37882, 38285, 44650, 55366, 58045, 72850, 76570, 94705, 116090, 138415, 189410, 191425, 276830, 290225, 359879, 382850, 473525, 580450, 692075, 719758, 947050, 1384150, 1799395, 3598790, 8996975, 17993950]

約数ペア:

[(1, 17993950), (2, 8996975), (5, 3598790), (10, 1799395), (13, 1384150), (19, 947050), (25, 719758), (26, 692075), (31, 580450), (38, 473525), (47, 382850), (50, 359879), (62, 290225), (65, 276830), (94, 191425), (95, 189410), (130, 138415), (155, 116090), (190, 94705), (235, 76570), (247, 72850), (310, 58045), (325, 55366), (403, 44650), (470, 38285), (475, 37882), (494, 36425), (589, 30550), (611, 29450), (650, 27683), (775, 23218), (806, 22325), (893, 20150), (950, 18941), (1175, 15314), (1178, 15275), (1222, 14725), (1235, 14570), (1457, 12350), (1550, 11609), (1786, 10075), (2015, 8930), (2350, 7657), (2470, 7285), (2914, 6175), (2945, 6110), (3055, 5890), (4030, 4465)]