19113525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 38301120

約数和(自身を除く): 19187595

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 263, 285, 323, 425, 475, 765, 789, 855, 969, 1275, 1315, 1425, 1615, 2367, 2907, 3825, 3945, 4275, 4471, 4845, 4997, 6575, 8075, 11835, 13413, 14535, 14991, 19725, 22355, 24225, 24985, 40239, 44973, 59175, 67065, 72675, 74955, 84949, 111775, 124925, 201195, 224865, 254847, 335325, 374775, 424745, 764541, 1005975, 1124325, 1274235, 2123725, 3822705, 6371175, 19113525]

約数ペア:

[(1, 19113525), (3, 6371175), (5, 3822705), (9, 2123725), (15, 1274235), (17, 1124325), (19, 1005975), (25, 764541), (45, 424745), (51, 374775), (57, 335325), (75, 254847), (85, 224865), (95, 201195), (153, 124925), (171, 111775), (225, 84949), (255, 74955), (263, 72675), (285, 67065), (323, 59175), (425, 44973), (475, 40239), (765, 24985), (789, 24225), (855, 22355), (969, 19725), (1275, 14991), (1315, 14535), (1425, 13413), (1615, 11835), (2367, 8075), (2907, 6575), (3825, 4997), (3945, 4845), (4275, 4471)]